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Commit c6c656b4 authored by Oliver McFadden's avatar Oliver McFadden Committed by Dave Airlie
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r300: updates register header 

This updates the R300 register names and allows the VAP_PVS_WAITIDLE register
to be written.
Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent ddbee333
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Showing with 698 additions and 506 deletions
drivers/char/drm/r300_cmdbuf.c
View file @ c6c656b4
......@@ -148,15 +148,16 @@ void r300_init_reg_flags(void)
/* these match cmducs() command in r300_driver/r300/r300_cmdbuf.c */
ADD_RANGE(R300_SE_VPORT_XSCALE, 6);
ADD_RANGE(0x2080, 1);
ADD_RANGE(R300_VAP_CNTL, 1);
ADD_RANGE(R300_SE_VTE_CNTL, 2);
ADD_RANGE(0x2134, 2);
ADD_RANGE(0x2140, 1);
ADD_RANGE(R300_VAP_CNTL_STATUS, 1);
ADD_RANGE(R300_VAP_INPUT_CNTL_0, 2);
ADD_RANGE(0x21DC, 1);
ADD_RANGE(0x221C, 1);
ADD_RANGE(0x2220, 4);
ADD_RANGE(0x2288, 1);
ADD_RANGE(R300_VAP_UNKNOWN_221C, 1);
ADD_RANGE(R300_VAP_CLIP_X_0, 4);
ADD_RANGE(R300_VAP_PVS_WAITIDLE, 1);
ADD_RANGE(R300_VAP_UNKNOWN_2288, 1);
ADD_RANGE(R300_VAP_OUTPUT_VTX_FMT_0, 2);
ADD_RANGE(R300_VAP_PVS_CNTL_1, 3);
ADD_RANGE(R300_GB_ENABLE, 1);
......@@ -168,13 +169,13 @@ void r300_init_reg_flags(void)
ADD_RANGE(R300_RE_POINTSIZE, 1);
ADD_RANGE(0x4230, 3);
ADD_RANGE(R300_RE_LINE_CNT, 1);
ADD_RANGE(0x4238, 1);
ADD_RANGE(R300_RE_UNK4238, 1);
ADD_RANGE(0x4260, 3);
ADD_RANGE(0x4274, 4);
ADD_RANGE(0x4288, 5);
ADD_RANGE(0x42A0, 1);
ADD_RANGE(R300_RE_SHADE, 4);
ADD_RANGE(R300_RE_POLYGON_MODE, 5);
ADD_RANGE(R300_RE_ZBIAS_CNTL, 1);
ADD_RANGE(R300_RE_ZBIAS_T_FACTOR, 4);
ADD_RANGE(0x42B4, 1);
ADD_RANGE(R300_RE_OCCLUSION_CNTL, 1);
ADD_RANGE(R300_RE_CULL_CNTL, 1);
ADD_RANGE(0x42C0, 2);
ADD_RANGE(R300_RS_CNTL_0, 2);
......@@ -190,22 +191,22 @@ void r300_init_reg_flags(void)
ADD_RANGE(R300_PFS_INSTR1_0, 64);
ADD_RANGE(R300_PFS_INSTR2_0, 64);
ADD_RANGE(R300_PFS_INSTR3_0, 64);
ADD_RANGE(0x4BC0, 1);
ADD_RANGE(0x4BC8, 3);
ADD_RANGE(R300_RE_FOG_STATE, 1);
ADD_RANGE(R300_FOG_COLOR_R, 3);
ADD_RANGE(R300_PP_ALPHA_TEST, 2);
ADD_RANGE(0x4BD8, 1);
ADD_RANGE(R300_PFS_PARAM_0_X, 64);
ADD_RANGE(0x4E00, 1);
ADD_RANGE(R300_RB3D_CBLEND, 2);
ADD_RANGE(R300_RB3D_COLORMASK, 1);
ADD_RANGE(0x4E10, 3);
ADD_RANGE(R300_RB3D_BLEND_COLOR, 3);
ADD_RANGE_MARK(R300_RB3D_COLOROFFSET0, 1, MARK_CHECK_OFFSET); /* check offset */
ADD_RANGE(R300_RB3D_COLORPITCH0, 1);
ADD_RANGE(0x4E50, 9);
ADD_RANGE(0x4E88, 1);
ADD_RANGE(0x4EA0, 2);
ADD_RANGE(R300_RB3D_ZSTENCIL_CNTL_0, 3);
ADD_RANGE(0x4F10, 4);
ADD_RANGE(R300_RB3D_ZSTENCIL_FORMAT, 4);
ADD_RANGE_MARK(R300_RB3D_DEPTHOFFSET, 1, MARK_CHECK_OFFSET); /* check offset */
ADD_RANGE(R300_RB3D_DEPTHPITCH, 1);
ADD_RANGE(0x4F28, 1);
......@@ -224,7 +225,7 @@ void r300_init_reg_flags(void)
ADD_RANGE(R300_TX_BORDER_COLOR_0, 16);
/* Sporadic registers used as primitives are emitted */
ADD_RANGE(0x4f18, 1);
ADD_RANGE(R300_RB3D_ZCACHE_CTLSTAT, 1);
ADD_RANGE(R300_RB3D_DSTCACHE_CTLSTAT, 1);
ADD_RANGE(R300_VAP_INPUT_ROUTE_0_0, 8);
ADD_RANGE(R300_VAP_INPUT_ROUTE_1_0, 8);
......@@ -692,9 +693,9 @@ static __inline__ void r300_pacify(drm_radeon_private_t *dev_priv)
BEGIN_RING(6);
OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
OUT_RING(0xa);
OUT_RING(CP_PACKET0(0x4f18, 0));
OUT_RING(0x3);
OUT_RING(R300_RB3D_DSTCACHE_UNKNOWN_0A);
OUT_RING(CP_PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
OUT_RING(R300_RB3D_ZCACHE_UNKNOWN_03);
OUT_RING(CP_PACKET3(RADEON_CP_NOP, 0));
OUT_RING(0x0);
ADVANCE_RING();
......@@ -766,8 +767,8 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
}
BEGIN_RING(2);
OUT_RING(CP_PACKET0(RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0));
OUT_RING(dev_priv->scratch_ages[header.scratch.reg]);
OUT_RING( CP_PACKET0( RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0 ) );
OUT_RING( dev_priv->scratch_ages[header.scratch.reg] );
ADVANCE_RING();
return 0;
......
drivers/char/drm/r300_reg.h
View file @ c6c656b4
......@@ -47,12 +47,12 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
# define R300_MC_MISC__MC_GLOBW_FULL_LAT_SHIFT 28
/*
This file contains registers and constants for the R300. They have been
found mostly by examining command buffers captured using glxtest, as well
as by extrapolating some known registers and constants from the R200.
I am fairly certain that they are correct unless stated otherwise in comments.
*/
* This file contains registers and constants for the R300. They have been
* found mostly by examining command buffers captured using glxtest, as well
* as by extrapolating some known registers and constants from the R200.
* I am fairly certain that they are correct unless stated otherwise
* in comments.
*/
#define R300_SE_VPORT_XSCALE 0x1D98
#define R300_SE_VPORT_XOFFSET 0x1D9C
......@@ -61,49 +61,60 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_SE_VPORT_ZSCALE 0x1DA8
#define R300_SE_VPORT_ZOFFSET 0x1DAC
/* This register is written directly and also starts data section in many 3d CP_PACKET3's */
#define R300_VAP_VF_CNTL 0x2084
# define R300_VAP_VF_CNTL__PRIM_TYPE__SHIFT 0
# define R300_VAP_VF_CNTL__PRIM_NONE (0<<0)
# define R300_VAP_VF_CNTL__PRIM_POINTS (1<<0)
# define R300_VAP_VF_CNTL__PRIM_LINES (2<<0)
# define R300_VAP_VF_CNTL__PRIM_LINE_STRIP (3<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLES (4<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN (5<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP (6<<0)
# define R300_VAP_VF_CNTL__PRIM_LINE_LOOP (12<<0)
# define R300_VAP_VF_CNTL__PRIM_QUADS (13<<0)
# define R300_VAP_VF_CNTL__PRIM_QUAD_STRIP (14<<0)
# define R300_VAP_VF_CNTL__PRIM_POLYGON (15<<0)
# define R300_VAP_VF_CNTL__PRIM_WALK__SHIFT 4
/* State based - direct writes to registers trigger vertex generation */
# define R300_VAP_VF_CNTL__PRIM_WALK_STATE_BASED (0<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_INDICES (1<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST (2<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED (3<<4)
/* I don't think I saw these three used.. */
# define R300_VAP_VF_CNTL__COLOR_ORDER__SHIFT 6
# define R300_VAP_VF_CNTL__TCL_OUTPUT_CTL_ENA__SHIFT 9
# define R300_VAP_VF_CNTL__PROG_STREAM_ENA__SHIFT 10
/* index size - when not set the indices are assumed to be 16 bit */
# define R300_VAP_VF_CNTL__INDEX_SIZE_32bit (1<<11)
/* number of vertices */
# define R300_VAP_VF_CNTL__NUM_VERTICES__SHIFT 16
/*
* Vertex Array Processing (VAP) Control
* Stolen from r200 code from Christoph Brill (It's a guess!)
*/
#define R300_VAP_CNTL 0x2080
/* This register is written directly and also starts data section
* in many 3d CP_PACKET3's
*/
#define R300_VAP_VF_CNTL 0x2084
# define R300_VAP_VF_CNTL__PRIM_TYPE__SHIFT 0
# define R300_VAP_VF_CNTL__PRIM_NONE (0<<0)
# define R300_VAP_VF_CNTL__PRIM_POINTS (1<<0)
# define R300_VAP_VF_CNTL__PRIM_LINES (2<<0)
# define R300_VAP_VF_CNTL__PRIM_LINE_STRIP (3<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLES (4<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN (5<<0)
# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP (6<<0)
# define R300_VAP_VF_CNTL__PRIM_LINE_LOOP (12<<0)
# define R300_VAP_VF_CNTL__PRIM_QUADS (13<<0)
# define R300_VAP_VF_CNTL__PRIM_QUAD_STRIP (14<<0)
# define R300_VAP_VF_CNTL__PRIM_POLYGON (15<<0)
# define R300_VAP_VF_CNTL__PRIM_WALK__SHIFT 4
/* State based - direct writes to registers trigger vertex
generation */
# define R300_VAP_VF_CNTL__PRIM_WALK_STATE_BASED (0<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_INDICES (1<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST (2<<4)
# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED (3<<4)
/* I don't think I saw these three used.. */
# define R300_VAP_VF_CNTL__COLOR_ORDER__SHIFT 6
# define R300_VAP_VF_CNTL__TCL_OUTPUT_CTL_ENA__SHIFT 9
# define R300_VAP_VF_CNTL__PROG_STREAM_ENA__SHIFT 10
/* index size - when not set the indices are assumed to be 16 bit */
# define R300_VAP_VF_CNTL__INDEX_SIZE_32bit (1<<11)
/* number of vertices */
# define R300_VAP_VF_CNTL__NUM_VERTICES__SHIFT 16
/* BEGIN: Wild guesses */
#define R300_VAP_OUTPUT_VTX_FMT_0 0x2090
# define R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT (1<<0)
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT (1<<1)
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4) /* GUESS */
# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16) /* GUESS */
#define R300_VAP_OUTPUT_VTX_FMT_1 0x2094
/* each of the following is 3 bits wide, specifies number
of components */
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_0_COMP_CNT_SHIFT 0
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_1_COMP_CNT_SHIFT 3
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_2_COMP_CNT_SHIFT 6
......@@ -112,7 +123,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_5_COMP_CNT_SHIFT 15
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_6_COMP_CNT_SHIFT 18
# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21
/* END */
/* END: Wild guesses */
#define R300_SE_VTE_CNTL 0x20b0
# define R300_VPORT_X_SCALE_ENA 0x00000001
......@@ -128,43 +139,54 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_VTX_ST_DENORMALIZED 0x00001000
/* BEGIN: Vertex data assembly - lots of uncertainties */
/* gap */
#define R300_VAP_CNTL_STATUS 0x2140
# define R300_VC_NO_SWAP (0 << 0)
# define R300_VC_16BIT_SWAP (1 << 0)
# define R300_VC_32BIT_SWAP (2 << 0)
# define R300_VAP_TCL_BYPASS (1 << 8)
/* gap */
/* Where do we get our vertex data?
//
// Vertex data either comes either from immediate mode registers or from
// vertex arrays.
// There appears to be no mixed mode (though we can force the pitch of
// vertex arrays to 0, effectively reusing the same element over and over
// again).
//
// Immediate mode is controlled by the INPUT_CNTL registers. I am not sure
// if these registers influence vertex array processing.
//
// Vertex arrays are controlled via the 3D_LOAD_VBPNTR packet3.
//
// In both cases, vertex attributes are then passed through INPUT_ROUTE.
// Beginning with INPUT_ROUTE_0_0 is a list of WORDs that route vertex data
// into the vertex processor's input registers.
// The first word routes the first input, the second word the second, etc.
// The corresponding input is routed into the register with the given index.
// The list is ended by a word with INPUT_ROUTE_END set.
//
// Always set COMPONENTS_4 in immediate mode. */
*
* Vertex data either comes either from immediate mode registers or from
* vertex arrays.
* There appears to be no mixed mode (though we can force the pitch of
* vertex arrays to 0, effectively reusing the same element over and over
* again).
*
* Immediate mode is controlled by the INPUT_CNTL registers. I am not sure
* if these registers influence vertex array processing.
*
* Vertex arrays are controlled via the 3D_LOAD_VBPNTR packet3.
*
* In both cases, vertex attributes are then passed through INPUT_ROUTE.
*
* Beginning with INPUT_ROUTE_0_0 is a list of WORDs that route vertex data
* into the vertex processor's input registers.
* The first word routes the first input, the second word the second, etc.
* The corresponding input is routed into the register with the given index.
* The list is ended by a word with INPUT_ROUTE_END set.
*
* Always set COMPONENTS_4 in immediate mode.
*/
#define R300_VAP_INPUT_ROUTE_0_0 0x2150
# define R300_INPUT_ROUTE_COMPONENTS_1 (0 << 0)
# define R300_INPUT_ROUTE_COMPONENTS_2 (1 << 0)
# define R300_INPUT_ROUTE_COMPONENTS_3 (2 << 0)
# define R300_INPUT_ROUTE_COMPONENTS_4 (3 << 0)
# define R300_INPUT_ROUTE_COMPONENTS_RGBA (4 << 0) /* GUESS */
# define R300_INPUT_ROUTE_COMPONENTS_RGBA (4 << 0) /* GUESS */
# define R300_VAP_INPUT_ROUTE_IDX_SHIFT 8
# define R300_VAP_INPUT_ROUTE_IDX_MASK (31 << 8) /* GUESS */
# define R300_VAP_INPUT_ROUTE_IDX_MASK (31 << 8) /* GUESS */
# define R300_VAP_INPUT_ROUTE_END (1 << 13)
# define R300_INPUT_ROUTE_IMMEDIATE_MODE (0 << 14) /* GUESS */
# define R300_INPUT_ROUTE_FLOAT (1 << 14) /* GUESS */
# define R300_INPUT_ROUTE_UNSIGNED_BYTE (2 << 14) /* GUESS */
# define R300_INPUT_ROUTE_FLOAT_COLOR (3 << 14) /* GUESS */
# define R300_INPUT_ROUTE_IMMEDIATE_MODE (0 << 14) /* GUESS */
# define R300_INPUT_ROUTE_FLOAT (1 << 14) /* GUESS */
# define R300_INPUT_ROUTE_UNSIGNED_BYTE (2 << 14) /* GUESS */
# define R300_INPUT_ROUTE_FLOAT_COLOR (3 << 14) /* GUESS */
#define R300_VAP_INPUT_ROUTE_0_1 0x2154
#define R300_VAP_INPUT_ROUTE_0_2 0x2158
#define R300_VAP_INPUT_ROUTE_0_3 0x215C
......@@ -174,10 +196,12 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_VAP_INPUT_ROUTE_0_7 0x216C
/* gap */
/* Notes:
// - always set up to produce at least two attributes:
// if vertex program uses only position, fglrx will set normal, too
// - INPUT_CNTL_0_COLOR and INPUT_CNTL_COLOR bits are always equal */
* - always set up to produce at least two attributes:
* if vertex program uses only position, fglrx will set normal, too
* - INPUT_CNTL_0_COLOR and INPUT_CNTL_COLOR bits are always equal.
*/
#define R300_VAP_INPUT_CNTL_0 0x2180
# define R300_INPUT_CNTL_0_COLOR 0x00000001
#define R300_VAP_INPUT_CNTL_1 0x2184
......@@ -186,20 +210,22 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_INPUT_CNTL_COLOR 0x00000004
# define R300_INPUT_CNTL_TC0 0x00000400
# define R300_INPUT_CNTL_TC1 0x00000800
# define R300_INPUT_CNTL_TC2 0x00001000 /* GUESS */
# define R300_INPUT_CNTL_TC3 0x00002000 /* GUESS */
# define R300_INPUT_CNTL_TC4 0x00004000 /* GUESS */
# define R300_INPUT_CNTL_TC5 0x00008000 /* GUESS */
# define R300_INPUT_CNTL_TC6 0x00010000 /* GUESS */
# define R300_INPUT_CNTL_TC7 0x00020000 /* GUESS */
# define R300_INPUT_CNTL_TC2 0x00001000 /* GUESS */
# define R300_INPUT_CNTL_TC3 0x00002000 /* GUESS */
# define R300_INPUT_CNTL_TC4 0x00004000 /* GUESS */
# define R300_INPUT_CNTL_TC5 0x00008000 /* GUESS */
# define R300_INPUT_CNTL_TC6 0x00010000 /* GUESS */
# define R300_INPUT_CNTL_TC7 0x00020000 /* GUESS */
/* gap */
/* Words parallel to INPUT_ROUTE_0; All words that are active in INPUT_ROUTE_0
// are set to a swizzling bit pattern, other words are 0.
//
// In immediate mode, the pattern is always set to xyzw. In vertex array
// mode, the swizzling pattern is e.g. used to set zw components in texture
// coordinates with only tweo components. */
* are set to a swizzling bit pattern, other words are 0.
*
* In immediate mode, the pattern is always set to xyzw. In vertex array
* mode, the swizzling pattern is e.g. used to set zw components in texture
* coordinates with only tweo components.
*/
#define R300_VAP_INPUT_ROUTE_1_0 0x21E0
# define R300_INPUT_ROUTE_SELECT_X 0
# define R300_INPUT_ROUTE_SELECT_Y 1
......@@ -208,11 +234,11 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_INPUT_ROUTE_SELECT_ZERO 4
# define R300_INPUT_ROUTE_SELECT_ONE 5
# define R300_INPUT_ROUTE_SELECT_MASK 7
# define R300_INPUT_ROUTE_X_SHIFT 0
# define R300_INPUT_ROUTE_Y_SHIFT 3
# define R300_INPUT_ROUTE_Z_SHIFT 6
# define R300_INPUT_ROUTE_W_SHIFT 9
# define R300_INPUT_ROUTE_ENABLE (15 << 12)
# define R300_INPUT_ROUTE_X_SHIFT 0
# define R300_INPUT_ROUTE_Y_SHIFT 3
# define R300_INPUT_ROUTE_Z_SHIFT 6
# define R300_INPUT_ROUTE_W_SHIFT 9
# define R300_INPUT_ROUTE_ENABLE (15 << 12)
#define R300_VAP_INPUT_ROUTE_1_1 0x21E4
#define R300_VAP_INPUT_ROUTE_1_2 0x21E8
#define R300_VAP_INPUT_ROUTE_1_3 0x21EC
......@@ -221,79 +247,107 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_VAP_INPUT_ROUTE_1_6 0x21F8
#define R300_VAP_INPUT_ROUTE_1_7 0x21FC
/* END */
/* END: Vertex data assembly */
/* gap */
/* BEGIN: Upload vertex program and data
// The programmable vertex shader unit has a memory bank of unknown size
// that can be written to in 16 byte units by writing the address into
// UPLOAD_ADDRESS, followed by data in UPLOAD_DATA (multiples of 4 DWORDs).
//
// Pointers into the memory bank are always in multiples of 16 bytes.
//
// The memory bank is divided into areas with fixed meaning.
//
// Starting at address UPLOAD_PROGRAM: Vertex program instructions.
// Native limits reported by drivers from ATI suggest size 256 (i.e. 4KB),
// whereas the difference between known addresses suggests size 512.
//
// Starting at address UPLOAD_PARAMETERS: Vertex program parameters.
// Native reported limits and the VPI layout suggest size 256, whereas
// difference between known addresses suggests size 512.
//
// At address UPLOAD_POINTSIZE is a vector (0, 0, ps, 0), where ps is the
// floating point pointsize. The exact purpose of this state is uncertain,
// as there is also the R300_RE_POINTSIZE register.
//
// Multiple vertex programs and parameter sets can be loaded at once,
// which could explain the size discrepancy. */
/* BEGIN: Upload vertex program and data */
/*
* The programmable vertex shader unit has a memory bank of unknown size
* that can be written to in 16 byte units by writing the address into
* UPLOAD_ADDRESS, followed by data in UPLOAD_DATA (multiples of 4 DWORDs).
*
* Pointers into the memory bank are always in multiples of 16 bytes.
*
* The memory bank is divided into areas with fixed meaning.
*
* Starting at address UPLOAD_PROGRAM: Vertex program instructions.
* Native limits reported by drivers from ATI suggest size 256 (i.e. 4KB),
* whereas the difference between known addresses suggests size 512.
*
* Starting at address UPLOAD_PARAMETERS: Vertex program parameters.
* Native reported limits and the VPI layout suggest size 256, whereas
* difference between known addresses suggests size 512.
*
* At address UPLOAD_POINTSIZE is a vector (0, 0, ps, 0), where ps is the
* floating point pointsize. The exact purpose of this state is uncertain,
* as there is also the R300_RE_POINTSIZE register.
*
* Multiple vertex programs and parameter sets can be loaded at once,
* which could explain the size discrepancy.
*/
#define R300_VAP_PVS_UPLOAD_ADDRESS 0x2200
# define R300_PVS_UPLOAD_PROGRAM 0x00000000
# define R300_PVS_UPLOAD_PARAMETERS 0x00000200
# define R300_PVS_UPLOAD_POINTSIZE 0x00000406
/* gap */
#define R300_VAP_PVS_UPLOAD_DATA 0x2208
/* END */
/* END: Upload vertex program and data */
/* gap */
/* I do not know the purpose of this register. However, I do know that
// it is set to 221C_CLEAR for clear operations and to 221C_NORMAL
// for normal rendering. */
* it is set to 221C_CLEAR for clear operations and to 221C_NORMAL
* for normal rendering.
*/
#define R300_VAP_UNKNOWN_221C 0x221C
# define R300_221C_NORMAL 0x00000000
# define R300_221C_CLEAR 0x0001C000
/* These seem to be per-pixel and per-vertex X and Y clipping planes. The first
* plane is per-pixel and the second plane is per-vertex.
*
* This was determined by experimentation alone but I believe it is correct.
*
* These registers are called X_QUAD0_1_FL to X_QUAD0_4_FL by glxtest.
*/
#define R300_VAP_CLIP_X_0 0x2220
#define R300_VAP_CLIP_X_1 0x2224
#define R300_VAP_CLIP_Y_0 0x2228
#define R300_VAP_CLIP_Y_1 0x2230
/* gap */
/* Sometimes, END_OF_PKT and 0x2284=0 are the only commands sent between
// rendering commands and overwriting vertex program parameters.
// Therefore, I suspect writing zero to 0x2284 synchronizes the engine and
// avoids bugs caused by still running shaders reading bad data from memory. */
#define R300_VAP_PVS_WAITIDLE 0x2284 /* GUESS */
* rendering commands and overwriting vertex program parameters.
* Therefore, I suspect writing zero to 0x2284 synchronizes the engine and
* avoids bugs caused by still running shaders reading bad data from memory.
*/
#define R300_VAP_PVS_WAITIDLE 0x2284 /* GUESS */
/* Absolutely no clue what this register is about. */
#define R300_VAP_UNKNOWN_2288 0x2288
# define R300_2288_R300 0x00750000 /* -- nh */
# define R300_2288_RV350 0x0000FFFF /* -- Vladimir */
# define R300_2288_R300 0x00750000 /* -- nh */
# define R300_2288_RV350 0x0000FFFF /* -- Vladimir */
/* gap */
/* Addresses are relative to the vertex program instruction area of the
// memory bank. PROGRAM_END points to the last instruction of the active
// program
//
// The meaning of the two UNKNOWN fields is obviously not known. However,
// experiments so far have shown that both *must* point to an instruction
// inside the vertex program, otherwise the GPU locks up.
// fglrx usually sets CNTL_3_UNKNOWN to the end of the program and
// CNTL_1_UNKNOWN points to instruction where last write to position takes place.
// Most likely this is used to ignore rest of the program in cases where group of verts arent visible.
// For some reason this "section" is sometimes accepted other instruction that have
// no relationship with position calculations.
*/
* memory bank. PROGRAM_END points to the last instruction of the active
* program
*
* The meaning of the two UNKNOWN fields is obviously not known. However,
* experiments so far have shown that both *must* point to an instruction
* inside the vertex program, otherwise the GPU locks up.
*
* fglrx usually sets CNTL_3_UNKNOWN to the end of the program and
* R300_PVS_CNTL_1_POS_END_SHIFT points to instruction where last write to
* position takes place.
*
* Most likely this is used to ignore rest of the program in cases
* where group of verts arent visible. For some reason this "section"
* is sometimes accepted other instruction that have no relationship with
* position calculations.
*/
#define R300_VAP_PVS_CNTL_1 0x22D0
# define R300_PVS_CNTL_1_PROGRAM_START_SHIFT 0
# define R300_PVS_CNTL_1_POS_END_SHIFT 10
# define R300_PVS_CNTL_1_PROGRAM_END_SHIFT 20
/* Addresses are relative to the vertex program parameters area. */
/* Addresses are relative the the vertex program parameters area. */
#define R300_VAP_PVS_CNTL_2 0x22D4
# define R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0
# define R300_PVS_CNTL_2_PARAM_COUNT_SHIFT 16
......@@ -302,23 +356,26 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_PVS_CNTL_3_PROGRAM_UNKNOWN2_SHIFT 0
/* The entire range from 0x2300 to 0x2AC inclusive seems to be used for
// immediate vertices */
* immediate vertices
*/
#define R300_VAP_VTX_COLOR_R 0x2464
#define R300_VAP_VTX_COLOR_G 0x2468
#define R300_VAP_VTX_COLOR_B 0x246C
#define R300_VAP_VTX_POS_0_X_1 0x2490 /* used for glVertex2*() */
#define R300_VAP_VTX_POS_0_X_1 0x2490 /* used for glVertex2*() */
#define R300_VAP_VTX_POS_0_Y_1 0x2494
#define R300_VAP_VTX_COLOR_PKD 0x249C /* RGBA */
#define R300_VAP_VTX_POS_0_X_2 0x24A0 /* used for glVertex3*() */
#define R300_VAP_VTX_COLOR_PKD 0x249C /* RGBA */
#define R300_VAP_VTX_POS_0_X_2 0x24A0 /* used for glVertex3*() */
#define R300_VAP_VTX_POS_0_Y_2 0x24A4
#define R300_VAP_VTX_POS_0_Z_2 0x24A8
#define R300_VAP_VTX_END_OF_PKT 0x24AC /* write 0 to indicate end of packet? */
/* write 0 to indicate end of packet? */
#define R300_VAP_VTX_END_OF_PKT 0x24AC
/* gap */
/* These are values from r300_reg/r300_reg.h - they are known to be correct
and are here so we can use one register file instead of several
- Vladimir */
* and are here so we can use one register file instead of several
* - Vladimir
*/
#define R300_GB_VAP_RASTER_VTX_FMT_0 0x4000
# define R300_GB_VAP_RASTER_VTX_FMT_0__POS_PRESENT (1<<0)
# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_0_PRESENT (1<<1)
......@@ -341,14 +398,16 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21
/* UNK30 seems to enables point to quad transformation on textures
(or something closely related to that).
This bit is rather fatal at the time being due to lackings at pixel shader side */
* (or something closely related to that).
* This bit is rather fatal at the time being due to lackings at pixel
* shader side
*/
#define R300_GB_ENABLE 0x4008
# define R300_GB_POINT_STUFF_ENABLE (1<<0)
# define R300_GB_LINE_STUFF_ENABLE (1<<1)
# define R300_GB_TRIANGLE_STUFF_ENABLE (1<<2)
# define R300_GB_STENCIL_AUTO_ENABLE (1<<4)
# define R300_GB_UNK30 (1<<30)
# define R300_GB_UNK31 (1<<31)
/* each of the following is 2 bits wide */
#define R300_GB_TEX_REPLICATE 0
#define R300_GB_TEX_ST 1
......@@ -383,11 +442,13 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_GB_MSPOS1__MS_Y5_SHIFT 20
# define R300_GB_MSPOS1__MSBD1 24
#define R300_GB_TILE_CONFIG 0x4018
# define R300_GB_TILE_ENABLE (1<<0)
# define R300_GB_TILE_PIPE_COUNT_RV300 0
# define R300_GB_TILE_PIPE_COUNT_R300 (3<<1)
# define R300_GB_TILE_PIPE_COUNT_R420 (7<<1)
# define R300_GB_TILE_PIPE_COUNT_RV410 (3<<1)
# define R300_GB_TILE_SIZE_8 0
# define R300_GB_TILE_SIZE_16 (1<<4)
# define R300_GB_TILE_SIZE_32 (2<<4)
......@@ -442,17 +503,18 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_GB_W_SELECT_1 (1<<4)
#define R300_GB_AA_CONFIG 0x4020
# define R300_AA_DISABLE 0x00
# define R300_AA_ENABLE 0x01
# define R300_AA_SUBSAMPLES_2 0
# define R300_AA_SUBSAMPLES_3 (1<<1)
# define R300_AA_SUBSAMPLES_4 (2<<1)
# define R300_AA_SUBSAMPLES_6 (3<<1)
/* END */
/* gap */
/* Zero to flush caches. */
#define R300_TX_CNTL 0x4100
#define R300_TX_FLUSH 0x0
/* The upper enable bits are guessed, based on fglrx reported limits. */
#define R300_TX_ENABLE 0x4104
......@@ -474,24 +536,25 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TX_ENABLE_15 (1 << 15)
/* The pointsize is given in multiples of 6. The pointsize can be
// enormous: Clear() renders a single point that fills the entire
// framebuffer. */
* enormous: Clear() renders a single point that fills the entire
* framebuffer.
*/
#define R300_RE_POINTSIZE 0x421C
# define R300_POINTSIZE_Y_SHIFT 0
# define R300_POINTSIZE_Y_MASK (0xFFFF << 0) /* GUESS */
# define R300_POINTSIZE_Y_MASK (0xFFFF << 0) /* GUESS */
# define R300_POINTSIZE_X_SHIFT 16
# define R300_POINTSIZE_X_MASK (0xFFFF << 16) /* GUESS */
# define R300_POINTSIZE_X_MASK (0xFFFF << 16) /* GUESS */
# define R300_POINTSIZE_MAX (R300_POINTSIZE_Y_MASK / 6)
/* The line width is given in multiples of 6.
In default mode lines are classified as vertical lines.
HO: horizontal
VE: vertical or horizontal
HO & VE: no classification
*/
* In default mode lines are classified as vertical lines.
* HO: horizontal
* VE: vertical or horizontal
* HO & VE: no classification
*/
#define R300_RE_LINE_CNT 0x4234
# define R300_LINESIZE_SHIFT 0
# define R300_LINESIZE_MASK (0xFFFF << 0) /* GUESS */
# define R300_LINESIZE_MASK (0xFFFF << 0) /* GUESS */
# define R300_LINESIZE_MAX (R300_LINESIZE_MASK / 6)
# define R300_LINE_CNT_HO (1 << 16)
# define R300_LINE_CNT_VE (1 << 17)
......@@ -499,6 +562,9 @@ I am fairly certain that they are correct unless stated otherwise in comments.
/* Some sort of scale or clamp value for texcoordless textures. */
#define R300_RE_UNK4238 0x4238
/* Something shade related */
#define R300_RE_SHADE 0x4274
#define R300_RE_SHADE_MODEL 0x4278
# define R300_RE_SHADE_MODEL_SMOOTH 0x3aaaa
# define R300_RE_SHADE_MODEL_FLAT 0x39595
......@@ -513,24 +579,31 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_PM_BACK_LINE (1 << 7)
# define R300_PM_BACK_FILL (1 << 8)
/* Fog parameters */
#define R300_RE_FOG_SCALE 0x4294
#define R300_RE_FOG_START 0x4298
/* Not sure why there are duplicate of factor and constant values.
My best guess so far is that there are seperate zbiases for test and write.
Ordering might be wrong.
Some of the tests indicate that fgl has a fallback implementation of zbias
via pixel shaders. */
* My best guess so far is that there are seperate zbiases for test and write.
* Ordering might be wrong.
* Some of the tests indicate that fgl has a fallback implementation of zbias
* via pixel shaders.
*/
#define R300_RE_ZBIAS_CNTL 0x42A0 /* GUESS */
#define R300_RE_ZBIAS_T_FACTOR 0x42A4
#define R300_RE_ZBIAS_T_CONSTANT 0x42A8
#define R300_RE_ZBIAS_W_FACTOR 0x42AC
#define R300_RE_ZBIAS_W_CONSTANT 0x42B0
/* This register needs to be set to (1<<1) for RV350 to correctly
perform depth test (see --vb-triangles in r300_demo)
Don't know about other chips. - Vladimir
This is set to 3 when GL_POLYGON_OFFSET_FILL is on.
My guess is that there are two bits for each zbias primitive (FILL, LINE, POINT).
One to enable depth test and one for depth write.
Yet this doesnt explain why depth writes work ...
*/
* perform depth test (see --vb-triangles in r300_demo)
* Don't know about other chips. - Vladimir
* This is set to 3 when GL_POLYGON_OFFSET_FILL is on.
* My guess is that there are two bits for each zbias primitive
* (FILL, LINE, POINT).
* One to enable depth test and one for depth write.
* Yet this doesnt explain why depth writes work ...
*/
#define R300_RE_OCCLUSION_CNTL 0x42B4
# define R300_OCCLUSION_ON (1<<1)
......@@ -540,30 +613,38 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FRONT_FACE_CCW (0 << 2)
# define R300_FRONT_FACE_CW (1 << 2)
/* BEGIN: Rasterization / Interpolators - many guesses
// 0_UNKNOWN_18 has always been set except for clear operations.
// TC_CNT is the number of incoming texture coordinate sets (i.e. it depends
// on the vertex program, *not* the fragment program) */
/* BEGIN: Rasterization / Interpolators - many guesses */
/* 0_UNKNOWN_18 has always been set except for clear operations.
* TC_CNT is the number of incoming texture coordinate sets (i.e. it depends
* on the vertex program, *not* the fragment program)
*/
#define R300_RS_CNTL_0 0x4300
# define R300_RS_CNTL_TC_CNT_SHIFT 2
# define R300_RS_CNTL_TC_CNT_MASK (7 << 2)
# define R300_RS_CNTL_CI_CNT_SHIFT 7 /* number of color interpolators used */
/* number of color interpolators used */
# define R300_RS_CNTL_CI_CNT_SHIFT 7
# define R300_RS_CNTL_0_UNKNOWN_18 (1 << 18)
/* Guess: RS_CNTL_1 holds the index of the highest used RS_ROUTE_n register. */
/* Guess: RS_CNTL_1 holds the index of the highest used RS_ROUTE_n
register. */
#define R300_RS_CNTL_1 0x4304
/* gap */
/* Only used for texture coordinates.
// Use the source field to route texture coordinate input from the vertex program
// to the desired interpolator. Note that the source field is relative to the
// outputs the vertex program *actually* writes. If a vertex program only writes
// texcoord[1], this will be source index 0.
// Set INTERP_USED on all interpolators that produce data used by the
// fragment program. INTERP_USED looks like a swizzling mask, but
// I haven't seen it used that way.
//
// Note: The _UNKNOWN constants are always set in their respective register.
// I don't know if this is necessary. */
* Use the source field to route texture coordinate input from the
* vertex program to the desired interpolator. Note that the source
* field is relative to the outputs the vertex program *actually*
* writes. If a vertex program only writes texcoord[1], this will
* be source index 0.
* Set INTERP_USED on all interpolators that produce data used by
* the fragment program. INTERP_USED looks like a swizzling mask,
* but I haven't seen it used that way.
*
* Note: The _UNKNOWN constants are always set in their respective
* register. I don't know if this is necessary.
*/
#define R300_RS_INTERP_0 0x4310
#define R300_RS_INTERP_1 0x4314
# define R300_RS_INTERP_1_UNKNOWN 0x40
......@@ -580,54 +661,63 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_RS_INTERP_USED 0x00D10000
/* These DWORDs control how vertex data is routed into fragment program
// registers, after interpolators. */
* registers, after interpolators.
*/
#define R300_RS_ROUTE_0 0x4330
#define R300_RS_ROUTE_1 0x4334
#define R300_RS_ROUTE_2 0x4338
#define R300_RS_ROUTE_3 0x433C /* GUESS */
#define R300_RS_ROUTE_4 0x4340 /* GUESS */
#define R300_RS_ROUTE_5 0x4344 /* GUESS */
#define R300_RS_ROUTE_6 0x4348 /* GUESS */
#define R300_RS_ROUTE_7 0x434C /* GUESS */
#define R300_RS_ROUTE_3 0x433C /* GUESS */
#define R300_RS_ROUTE_4 0x4340 /* GUESS */
#define R300_RS_ROUTE_5 0x4344 /* GUESS */
#define R300_RS_ROUTE_6 0x4348 /* GUESS */
#define R300_RS_ROUTE_7 0x434C /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_0 0
# define R300_RS_ROUTE_SOURCE_INTERP_1 1
# define R300_RS_ROUTE_SOURCE_INTERP_2 2
# define R300_RS_ROUTE_SOURCE_INTERP_3 3
# define R300_RS_ROUTE_SOURCE_INTERP_4 4
# define R300_RS_ROUTE_SOURCE_INTERP_5 5 /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_6 6 /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_7 7 /* GUESS */
# define R300_RS_ROUTE_ENABLE (1 << 3) /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_5 5 /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_6 6 /* GUESS */
# define R300_RS_ROUTE_SOURCE_INTERP_7 7 /* GUESS */
# define R300_RS_ROUTE_ENABLE (1 << 3) /* GUESS */
# define R300_RS_ROUTE_DEST_SHIFT 6
# define R300_RS_ROUTE_DEST_MASK (31 << 6) /* GUESS */
# define R300_RS_ROUTE_DEST_MASK (31 << 6) /* GUESS */
/* Special handling for color: When the fragment program uses color,
// the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the
// color register index. */
* the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the
* color register index.
*
* Apperently you may set the R300_RS_ROUTE_0_COLOR bit, but not provide any
* R300_RS_ROUTE_0_COLOR_DEST value; this setup is used for clearing the state.
* See r300_ioctl.c:r300EmitClearState. I'm not sure if this setup is strictly
* correct or not. - Oliver.
*/
# define R300_RS_ROUTE_0_COLOR (1 << 14)
# define R300_RS_ROUTE_0_COLOR_DEST_SHIFT 17
# define R300_RS_ROUTE_0_COLOR_DEST_MASK (31 << 17) /* GUESS */
# define R300_RS_ROUTE_0_COLOR_DEST_MASK (31 << 17) /* GUESS */
/* As above, but for secondary color */
# define R300_RS_ROUTE_1_COLOR1 (1 << 14)
# define R300_RS_ROUTE_1_COLOR1_DEST_SHIFT 17
# define R300_RS_ROUTE_1_COLOR1_DEST_MASK (31 << 17)
# define R300_RS_ROUTE_1_UNKNOWN11 (1 << 11)
/* END */
/* BEGIN: Scissors and cliprects
// There are four clipping rectangles. Their corner coordinates are inclusive.
// Every pixel is assigned a number from 0 and 15 by setting bits 0-3 depending
// on whether the pixel is inside cliprects 0-3, respectively. For example,
// if a pixel is inside cliprects 0 and 1, but outside 2 and 3, it is assigned
// the number 3 (binary 0011).
// Iff the bit corresponding to the pixel's number in RE_CLIPRECT_CNTL is set,
// the pixel is rasterized.
//
// In addition to this, there is a scissors rectangle. Only pixels inside the
// scissors rectangle are drawn. (coordinates are inclusive)
//
// For some reason, the top-left corner of the framebuffer is at (1440, 1440)
// for the purpose of clipping and scissors. */
/* END: Rasterization / Interpolators - many guesses */
/* BEGIN: Scissors and cliprects */
/* There are four clipping rectangles. Their corner coordinates are inclusive.
* Every pixel is assigned a number from 0 and 15 by setting bits 0-3 depending
* on whether the pixel is inside cliprects 0-3, respectively. For example,
* if a pixel is inside cliprects 0 and 1, but outside 2 and 3, it is assigned
* the number 3 (binary 0011).
* Iff the bit corresponding to the pixel's number in RE_CLIPRECT_CNTL is set,
* the pixel is rasterized.
*
* In addition to this, there is a scissors rectangle. Only pixels inside the
* scissors rectangle are drawn. (coordinates are inclusive)
*
* For some reason, the top-left corner of the framebuffer is at (1440, 1440)
* for the purpose of clipping and scissors.
*/
#define R300_RE_CLIPRECT_TL_0 0x43B0
#define R300_RE_CLIPRECT_BR_0 0x43B4
#define R300_RE_CLIPRECT_TL_1 0x43B8
......@@ -661,6 +751,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_CLIP_3210 (1 << 15)
/* gap */
#define R300_RE_SCISSORS_TL 0x43E0
#define R300_RE_SCISSORS_BR 0x43E4
# define R300_SCISSORS_OFFSET 1440
......@@ -668,12 +759,15 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_SCISSORS_X_MASK (0x1FFF << 0)
# define R300_SCISSORS_Y_SHIFT 13
# define R300_SCISSORS_Y_MASK (0x1FFF << 13)
/* END */
/* END: Scissors and cliprects */
/* BEGIN: Texture specification
// The texture specification dwords are grouped by meaning and not by texture unit.
// This means that e.g. the offset for texture image unit N is found in register
// TX_OFFSET_0 + (4*N) */
/* BEGIN: Texture specification */
/*
* The texture specification dwords are grouped by meaning and not by texture
* unit. This means that e.g. the offset for texture image unit N is found in
* register TX_OFFSET_0 + (4*N)
*/
#define R300_TX_FILTER_0 0x4400
# define R300_TX_REPEAT 0
# define R300_TX_MIRRORED 1
......@@ -697,13 +791,14 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TX_MIN_FILTER_LINEAR_MIP_LINEAR (10 << 11)
/* NOTE: NEAREST doesnt seem to exist.
Im not seting MAG_FILTER_MASK and (3 << 11) on for all
anisotropy modes because that would void selected mag filter */
# define R300_TX_MIN_FILTER_ANISO_NEAREST ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)
# define R300_TX_MIN_FILTER_ANISO_LINEAR ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)
# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST ((1 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)
# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR ((2 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/)
# define R300_TX_MIN_FILTER_MASK ( (15 << 11) | (3 << 13) )
* Im not seting MAG_FILTER_MASK and (3 << 11) on for all
* anisotropy modes because that would void selected mag filter
*/
# define R300_TX_MIN_FILTER_ANISO_NEAREST (0 << 13)
# define R300_TX_MIN_FILTER_ANISO_LINEAR (0 << 13)
# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST (1 << 13)
# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR (2 << 13)
# define R300_TX_MIN_FILTER_MASK ( (15 << 11) | (3 << 13) )
# define R300_TX_MAX_ANISO_1_TO_1 (0 << 21)
# define R300_TX_MAX_ANISO_2_TO_1 (2 << 21)
# define R300_TX_MAX_ANISO_4_TO_1 (4 << 21)
......@@ -734,10 +829,10 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TX_HEIGHTMASK_SHIFT 11
# define R300_TX_HEIGHTMASK_MASK (2047 << 11)
# define R300_TX_UNK23 (1 << 23)
# define R300_TX_SIZE_SHIFT 26 /* largest of width, height */
# define R300_TX_SIZE_MASK (15 << 26)
# define R300_TX_SIZE_PROJECTED (1<<30)
# define R300_TX_SIZE_TXPITCH_EN (1<<31)
# define R300_TX_MAX_MIP_LEVEL_SHIFT 26
# define R300_TX_MAX_MIP_LEVEL_MASK (0xf << 26)
# define R300_TX_SIZE_PROJECTED (1<<30)
# define R300_TX_SIZE_TXPITCH_EN (1<<31)
#define R300_TX_FORMAT_0 0x44C0
/* The interpretation of the format word by Wladimir van der Laan */
/* The X, Y, Z and W refer to the layout of the components.
......@@ -761,11 +856,11 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TX_FORMAT_DXT1 0xF
# define R300_TX_FORMAT_DXT3 0x10
# define R300_TX_FORMAT_DXT5 0x11
# define R300_TX_FORMAT_D3DMFT_CxV8U8 0x12 /* no swizzle */
# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */
# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */
# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */
/* 0x16 - some 16 bit green format.. ?? */
# define R300_TX_FORMAT_D3DMFT_CxV8U8 0x12 /* no swizzle */
# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */
# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */
# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */
/* 0x16 - some 16 bit green format.. ?? */
# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */
# define R300_TX_FORMAT_CUBIC_MAP (1 << 26)
......@@ -793,23 +888,26 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TX_FORMAT_W 3
# define R300_TX_FORMAT_ZERO 4
# define R300_TX_FORMAT_ONE 5
# define R300_TX_FORMAT_CUT_Z 6 /* 2.0*Z, everything above 1.0 is set to 0.0 */
# define R300_TX_FORMAT_CUT_W 7 /* 2.0*W, everything above 1.0 is set to 0.0 */
/* 2.0*Z, everything above 1.0 is set to 0.0 */
# define R300_TX_FORMAT_CUT_Z 6
/* 2.0*W, everything above 1.0 is set to 0.0 */
# define R300_TX_FORMAT_CUT_W 7
# define R300_TX_FORMAT_B_SHIFT 18
# define R300_TX_FORMAT_G_SHIFT 15
# define R300_TX_FORMAT_R_SHIFT 12
# define R300_TX_FORMAT_A_SHIFT 9
/* Convenience macro to take care of layout and swizzling */
# define R300_EASY_TX_FORMAT(B, G, R, A, FMT) (\
((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \
| ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \
| ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \
| ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \
| (R300_TX_FORMAT_##FMT) \
)
/* These can be ORed with result of R300_EASY_TX_FORMAT() */
/* We don't really know what they do. Take values from a constant color ? */
# define R300_EASY_TX_FORMAT(B, G, R, A, FMT) ( \
((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \
| ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \
| ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \
| ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \
| (R300_TX_FORMAT_##FMT) \
)
/* These can be ORed with result of R300_EASY_TX_FORMAT()
We don't really know what they do. Take values from a
constant color ? */
# define R300_TX_FORMAT_CONST_X (1<<5)
# define R300_TX_FORMAT_CONST_Y (2<<5)
# define R300_TX_FORMAT_CONST_Z (4<<5)
......@@ -819,7 +917,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_TX_PITCH_0 0x4500 /* obvious missing in gap */
#define R300_TX_OFFSET_0 0x4540
/* BEGIN: Guess from R200 */
/* BEGIN: Guess from R200 */
# define R300_TXO_ENDIAN_NO_SWAP (0 << 0)
# define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0)
# define R300_TXO_ENDIAN_WORD_SWAP (2 << 0)
......@@ -828,53 +926,61 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_TXO_MICRO_TILE (1 << 3)
# define R300_TXO_OFFSET_MASK 0xffffffe0
# define R300_TXO_OFFSET_SHIFT 5
/* END */
#define R300_TX_CHROMA_KEY_0 0x4580 /* 32 bit chroma key */
#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 }
/* END */
/* BEGIN: Fragment program instruction set
// Fragment programs are written directly into register space.
// There are separate instruction streams for texture instructions and ALU
// instructions.
// In order to synchronize these streams, the program is divided into up
// to 4 nodes. Each node begins with a number of TEX operations, followed
// by a number of ALU operations.
// The first node can have zero TEX ops, all subsequent nodes must have at least
// one TEX ops.
// All nodes must have at least one ALU op.
//
// The index of the last node is stored in PFS_CNTL_0: A value of 0 means
// 1 node, a value of 3 means 4 nodes.
// The total amount of instructions is defined in PFS_CNTL_2. The offsets are
// offsets into the respective instruction streams, while *_END points to the
// last instruction relative to this offset. */
/* END: Guess from R200 */
/* 32 bit chroma key */
#define R300_TX_CHROMA_KEY_0 0x4580
/* ff00ff00 == { 0, 1.0, 0, 1.0 } */
#define R300_TX_BORDER_COLOR_0 0x45C0
/* END: Texture specification */
/* BEGIN: Fragment program instruction set */
/* Fragment programs are written directly into register space.
* There are separate instruction streams for texture instructions and ALU
* instructions.
* In order to synchronize these streams, the program is divided into up
* to 4 nodes. Each node begins with a number of TEX operations, followed
* by a number of ALU operations.
* The first node can have zero TEX ops, all subsequent nodes must have at
* least
* one TEX ops.
* All nodes must have at least one ALU op.
*
* The index of the last node is stored in PFS_CNTL_0: A value of 0 means
* 1 node, a value of 3 means 4 nodes.
* The total amount of instructions is defined in PFS_CNTL_2. The offsets are
* offsets into the respective instruction streams, while *_END points to the
* last instruction relative to this offset.
*/
#define R300_PFS_CNTL_0 0x4600
# define R300_PFS_CNTL_LAST_NODES_SHIFT 0
# define R300_PFS_CNTL_LAST_NODES_MASK (3 << 0)
# define R300_PFS_CNTL_FIRST_NODE_HAS_TEX (1 << 3)
#define R300_PFS_CNTL_1 0x4604
/* There is an unshifted value here which has so far always been equal to the
// index of the highest used temporary register. */
* index of the highest used temporary register.
*/
#define R300_PFS_CNTL_2 0x4608
# define R300_PFS_CNTL_ALU_OFFSET_SHIFT 0
# define R300_PFS_CNTL_ALU_OFFSET_MASK (63 << 0)
# define R300_PFS_CNTL_ALU_END_SHIFT 6
# define R300_PFS_CNTL_ALU_END_MASK (63 << 0)
# define R300_PFS_CNTL_ALU_END_MASK (63 << 6)
# define R300_PFS_CNTL_TEX_OFFSET_SHIFT 12
# define R300_PFS_CNTL_TEX_OFFSET_MASK (31 << 12) /* GUESS */
# define R300_PFS_CNTL_TEX_OFFSET_MASK (31 << 12) /* GUESS */
# define R300_PFS_CNTL_TEX_END_SHIFT 18
# define R300_PFS_CNTL_TEX_END_MASK (31 << 18) /* GUESS */
# define R300_PFS_CNTL_TEX_END_MASK (31 << 18) /* GUESS */
/* gap */
/* Nodes are stored backwards. The last active node is always stored in
// PFS_NODE_3.
// Example: In a 2-node program, NODE_0 and NODE_1 are set to 0. The
// first node is stored in NODE_2, the second node is stored in NODE_3.
//
// Offsets are relative to the master offset from PFS_CNTL_2.
// LAST_NODE is set for the last node, and only for the last node. */
* PFS_NODE_3.
* Example: In a 2-node program, NODE_0 and NODE_1 are set to 0. The
* first node is stored in NODE_2, the second node is stored in NODE_3.
*
* Offsets are relative to the master offset from PFS_CNTL_2.
*/
#define R300_PFS_NODE_0 0x4610
#define R300_PFS_NODE_1 0x4614
#define R300_PFS_NODE_2 0x4618
......@@ -887,91 +993,98 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_PFS_NODE_TEX_OFFSET_MASK (31 << 12)
# define R300_PFS_NODE_TEX_END_SHIFT 17
# define R300_PFS_NODE_TEX_END_MASK (31 << 17)
/*# define R300_PFS_NODE_LAST_NODE (1 << 22) */
# define R300_PFS_NODE_OUTPUT_COLOR (1 << 22)
# define R300_PFS_NODE_OUTPUT_DEPTH (1 << 23)
/* TEX
// As far as I can tell, texture instructions cannot write into output
// registers directly. A subsequent ALU instruction is always necessary,
// even if it's just MAD o0, r0, 1, 0 */
* As far as I can tell, texture instructions cannot write into output
* registers directly. A subsequent ALU instruction is always necessary,
* even if it's just MAD o0, r0, 1, 0
*/
#define R300_PFS_TEXI_0 0x4620
# define R300_FPITX_SRC_SHIFT 0
# define R300_FPITX_SRC_MASK (31 << 0)
# define R300_FPITX_SRC_CONST (1 << 5) /* GUESS */
# define R300_FPITX_DST_SHIFT 6
# define R300_FPITX_DST_MASK (31 << 6)
# define R300_FPITX_IMAGE_SHIFT 11
# define R300_FPITX_IMAGE_MASK (15 << 11) /* GUESS based on layout and native limits */
# define R300_FPITX_SRC_SHIFT 0
# define R300_FPITX_SRC_MASK (31 << 0)
/* GUESS */
# define R300_FPITX_SRC_CONST (1 << 5)
# define R300_FPITX_DST_SHIFT 6
# define R300_FPITX_DST_MASK (31 << 6)
# define R300_FPITX_IMAGE_SHIFT 11
/* GUESS based on layout and native limits */
# define R300_FPITX_IMAGE_MASK (15 << 11)
/* Unsure if these are opcodes, or some kind of bitfield, but this is how
* they were set when I checked
*/
# define R300_FPITX_OPCODE_SHIFT 15
# define R300_FPITX_OP_TEX 1
# define R300_FPITX_OP_KIL 2
# define R300_FPITX_OP_TXP 3
# define R300_FPITX_OP_TXB 4
# define R300_FPITX_OPCODE_SHIFT 15
# define R300_FPITX_OP_TEX 1
# define R300_FPITX_OP_KIL 2
# define R300_FPITX_OP_TXP 3
# define R300_FPITX_OP_TXB 4
# define R300_FPITX_OPCODE_MASK (7 << 15)
/* ALU
// The ALU instructions register blocks are enumerated according to the order
// in which fglrx. I assume there is space for 64 instructions, since
// each block has space for a maximum of 64 DWORDs, and this matches reported
// native limits.
//
// The basic functional block seems to be one MAD for each color and alpha,
// and an adder that adds all components after the MUL.
// - ADD, MUL, MAD etc.: use MAD with appropriate neutral operands
// - DP4: Use OUTC_DP4, OUTA_DP4
// - DP3: Use OUTC_DP3, OUTA_DP4, appropriate alpha operands
// - DPH: Use OUTC_DP4, OUTA_DP4, appropriate alpha operands
// - CMP: If ARG2 < 0, return ARG1, else return ARG0
// - FLR: use FRC+MAD
// - XPD: use MAD+MAD
// - SGE, SLT: use MAD+CMP
// - RSQ: use ABS modifier for argument
// - Use OUTC_REPL_ALPHA to write results of an alpha-only operation (e.g. RCP)
// into color register
// - apparently, there's no quick DST operation
// - fglrx set FPI2_UNKNOWN_31 on a "MAD fragment.color, tmp0, tmp1, tmp2"
// - fglrx set FPI2_UNKNOWN_31 on a "MAX r2, r1, c0"
// - fglrx once set FPI0_UNKNOWN_31 on a "FRC r1, r1"
//
// Operand selection
// First stage selects three sources from the available registers and
// constant parameters. This is defined in INSTR1 (color) and INSTR3 (alpha).
// fglrx sorts the three source fields: Registers before constants,
// lower indices before higher indices; I do not know whether this is necessary.
// fglrx fills unused sources with "read constant 0"
// According to specs, you cannot select more than two different constants.
//
// Second stage selects the operands from the sources. This is defined in
// INSTR0 (color) and INSTR2 (alpha). You can also select the special constants
// zero and one.
// Swizzling and negation happens in this stage, as well.
//
// Important: Color and alpha seem to be mostly separate, i.e. their sources
// selection appears to be fully independent (the register storage is probably
// physically split into a color and an alpha section).
// However (because of the apparent physical split), there is some interaction
// WRT swizzling. If, for example, you want to load an R component into an
// Alpha operand, this R component is taken from a *color* source, not from
// an alpha source. The corresponding register doesn't even have to appear in
// the alpha sources list. (I hope this alll makes sense to you)
//
// Destination selection
// The destination register index is in FPI1 (color) and FPI3 (alpha) together
// with enable bits.
// There are separate enable bits for writing into temporary registers
// (DSTC_REG_* /DSTA_REG) and and program output registers (DSTC_OUTPUT_* /DSTA_OUTPUT).
// You can write to both at once, or not write at all (the same index
// must be used for both).
//
// Note: There is a special form for LRP
// - Argument order is the same as in ARB_fragment_program.
// - Operation is MAD
// - ARG1 is set to ARGC_SRC1C_LRP/ARGC_SRC1A_LRP
// - Set FPI0/FPI2_SPECIAL_LRP
// Arbitrary LRP (including support for swizzling) requires vanilla MAD+MAD */
* The ALU instructions register blocks are enumerated according to the order
* in which fglrx. I assume there is space for 64 instructions, since
* each block has space for a maximum of 64 DWORDs, and this matches reported
* native limits.
*
* The basic functional block seems to be one MAD for each color and alpha,
* and an adder that adds all components after the MUL.
* - ADD, MUL, MAD etc.: use MAD with appropriate neutral operands
* - DP4: Use OUTC_DP4, OUTA_DP4
* - DP3: Use OUTC_DP3, OUTA_DP4, appropriate alpha operands
* - DPH: Use OUTC_DP4, OUTA_DP4, appropriate alpha operands
* - CMPH: If ARG2 > 0.5, return ARG0, else return ARG1
* - CMP: If ARG2 < 0, return ARG1, else return ARG0
* - FLR: use FRC+MAD
* - XPD: use MAD+MAD
* - SGE, SLT: use MAD+CMP
* - RSQ: use ABS modifier for argument
* - Use OUTC_REPL_ALPHA to write results of an alpha-only operation
* (e.g. RCP) into color register
* - apparently, there's no quick DST operation
* - fglrx set FPI2_UNKNOWN_31 on a "MAD fragment.color, tmp0, tmp1, tmp2"
* - fglrx set FPI2_UNKNOWN_31 on a "MAX r2, r1, c0"
* - fglrx once set FPI0_UNKNOWN_31 on a "FRC r1, r1"
*
* Operand selection
* First stage selects three sources from the available registers and
* constant parameters. This is defined in INSTR1 (color) and INSTR3 (alpha).
* fglrx sorts the three source fields: Registers before constants,
* lower indices before higher indices; I do not know whether this is
* necessary.
*
* fglrx fills unused sources with "read constant 0"
* According to specs, you cannot select more than two different constants.
*
* Second stage selects the operands from the sources. This is defined in
* INSTR0 (color) and INSTR2 (alpha). You can also select the special constants
* zero and one.
* Swizzling and negation happens in this stage, as well.
*
* Important: Color and alpha seem to be mostly separate, i.e. their sources
* selection appears to be fully independent (the register storage is probably
* physically split into a color and an alpha section).
* However (because of the apparent physical split), there is some interaction
* WRT swizzling. If, for example, you want to load an R component into an
* Alpha operand, this R component is taken from a *color* source, not from
* an alpha source. The corresponding register doesn't even have to appear in
* the alpha sources list. (I hope this all makes sense to you)
*
* Destination selection
* The destination register index is in FPI1 (color) and FPI3 (alpha)
* together with enable bits.
* There are separate enable bits for writing into temporary registers
* (DSTC_REG_* /DSTA_REG) and and program output registers (DSTC_OUTPUT_*
* /DSTA_OUTPUT). You can write to both at once, or not write at all (the
* same index must be used for both).
*
* Note: There is a special form for LRP
* - Argument order is the same as in ARB_fragment_program.
* - Operation is MAD
* - ARG1 is set to ARGC_SRC1C_LRP/ARGC_SRC1A_LRP
* - Set FPI0/FPI2_SPECIAL_LRP
* Arbitrary LRP (including support for swizzling) requires vanilla MAD+MAD
*/
#define R300_PFS_INSTR1_0 0x46C0
# define R300_FPI1_SRC0C_SHIFT 0
# define R300_FPI1_SRC0C_MASK (31 << 0)
......@@ -982,6 +1095,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI1_SRC2C_SHIFT 12
# define R300_FPI1_SRC2C_MASK (31 << 12)
# define R300_FPI1_SRC2C_CONST (1 << 17)
# define R300_FPI1_SRC_MASK 0x0003ffff
# define R300_FPI1_DSTC_SHIFT 18
# define R300_FPI1_DSTC_MASK (31 << 18)
# define R300_FPI1_DSTC_REG_MASK_SHIFT 23
......@@ -1003,6 +1117,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI3_SRC2A_SHIFT 12
# define R300_FPI3_SRC2A_MASK (31 << 12)
# define R300_FPI3_SRC2A_CONST (1 << 17)
# define R300_FPI3_SRC_MASK 0x0003ffff
# define R300_FPI3_DSTA_SHIFT 18
# define R300_FPI3_DSTA_MASK (31 << 18)
# define R300_FPI3_DSTA_REG (1 << 23)
......@@ -1028,7 +1143,8 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI0_ARGC_SRC1C_LRP 15
# define R300_FPI0_ARGC_ZERO 20
# define R300_FPI0_ARGC_ONE 21
# define R300_FPI0_ARGC_HALF 22 /* GUESS */
/* GUESS */
# define R300_FPI0_ARGC_HALF 22
# define R300_FPI0_ARGC_SRC0C_YZX 23
# define R300_FPI0_ARGC_SRC1C_YZX 24
# define R300_FPI0_ARGC_SRC2C_YZX 25
......@@ -1057,6 +1173,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI0_OUTC_DP4 (2 << 23)
# define R300_FPI0_OUTC_MIN (4 << 23)
# define R300_FPI0_OUTC_MAX (5 << 23)
# define R300_FPI0_OUTC_CMPH (7 << 23)
# define R300_FPI0_OUTC_CMP (8 << 23)
# define R300_FPI0_OUTC_FRC (9 << 23)
# define R300_FPI0_OUTC_REPL_ALPHA (10 << 23)
......@@ -1079,20 +1196,23 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI2_ARGA_SRC1A_LRP 15
# define R300_FPI2_ARGA_ZERO 16
# define R300_FPI2_ARGA_ONE 17
# define R300_FPI2_ARGA_HALF 18 /* GUESS */
/* GUESS */
# define R300_FPI2_ARGA_HALF 18
# define R300_FPI2_ARG0A_SHIFT 0
# define R300_FPI2_ARG0A_MASK (31 << 0)
# define R300_FPI2_ARG0A_NEG (1 << 5)
# define R300_FPI2_ARG0A_ABS (1 << 6) /* GUESS */
/* GUESS */
# define R300_FPI2_ARG0A_ABS (1 << 6)
# define R300_FPI2_ARG1A_SHIFT 7
# define R300_FPI2_ARG1A_MASK (31 << 7)
# define R300_FPI2_ARG1A_NEG (1 << 12)
# define R300_FPI2_ARG1A_ABS (1 << 13) /* GUESS */
/* GUESS */
# define R300_FPI2_ARG1A_ABS (1 << 13)
# define R300_FPI2_ARG2A_SHIFT 14
# define R300_FPI2_ARG2A_MASK (31 << 14)
# define R300_FPI2_ARG2A_NEG (1 << 19)
# define R300_FPI2_ARG2A_ABS (1 << 20) /* GUESS */
/* GUESS */
# define R300_FPI2_ARG2A_ABS (1 << 20)
# define R300_FPI2_SPECIAL_LRP (1 << 21)
# define R300_FPI2_OUTA_MAD (0 << 23)
# define R300_FPI2_OUTA_DP4 (1 << 23)
......@@ -1106,9 +1226,19 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_FPI2_OUTA_RSQ (11 << 23)
# define R300_FPI2_OUTA_SAT (1 << 30)
# define R300_FPI2_UNKNOWN_31 (1 << 31)
/* END */
/* END: Fragment program instruction set */
/* Fog state and color */
#define R300_RE_FOG_STATE 0x4BC0
# define R300_FOG_ENABLE (1 << 0)
# define R300_FOG_MODE_LINEAR (0 << 1)
# define R300_FOG_MODE_EXP (1 << 1)
# define R300_FOG_MODE_EXP2 (2 << 1)
# define R300_FOG_MODE_MASK (3 << 1)
#define R300_FOG_COLOR_R 0x4BC8
#define R300_FOG_COLOR_G 0x4BCC
#define R300_FOG_COLOR_B 0x4BD0
/* gap */
#define R300_PP_ALPHA_TEST 0x4BD4
# define R300_REF_ALPHA_MASK 0x000000ff
# define R300_ALPHA_TEST_FAIL (0 << 8)
......@@ -1123,6 +1253,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_ALPHA_TEST_ENABLE (1 << 11)
/* gap */
/* Fragment program parameters in 7.16 floating point */
#define R300_PFS_PARAM_0_X 0x4C00
#define R300_PFS_PARAM_0_Y 0x4C04
......@@ -1135,45 +1266,48 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_PFS_PARAM_31_W 0x4DFC
/* Notes:
// - AFAIK fglrx always sets BLEND_UNKNOWN when blending is used in the application
// - AFAIK fglrx always sets BLEND_NO_SEPARATE when CBLEND and ABLEND are set to the same
// function (both registers are always set up completely in any case)
// - Most blend flags are simply copied from R200 and not tested yet */
* - AFAIK fglrx always sets BLEND_UNKNOWN when blending is used in
* the application
* - AFAIK fglrx always sets BLEND_NO_SEPARATE when CBLEND and ABLEND
* are set to the same
* function (both registers are always set up completely in any case)
* - Most blend flags are simply copied from R200 and not tested yet
*/
#define R300_RB3D_CBLEND 0x4E04
#define R300_RB3D_ABLEND 0x4E08
/* the following only appear in CBLEND */
/* the following only appear in CBLEND */
# define R300_BLEND_ENABLE (1 << 0)
# define R300_BLEND_UNKNOWN (3 << 1)
# define R300_BLEND_NO_SEPARATE (1 << 3)
/* the following are shared between CBLEND and ABLEND */
/* the following are shared between CBLEND and ABLEND */
# define R300_FCN_MASK (3 << 12)
# define R300_COMB_FCN_ADD_CLAMP (0 << 12)
# define R300_COMB_FCN_ADD_NOCLAMP (1 << 12)
# define R300_COMB_FCN_SUB_CLAMP (2 << 12)
# define R300_COMB_FCN_SUB_NOCLAMP (3 << 12)
# define R300_SRC_BLEND_GL_ZERO (32 << 16)
# define R300_SRC_BLEND_GL_ONE (33 << 16)
# define R300_SRC_BLEND_GL_SRC_COLOR (34 << 16)
# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 16)
# define R300_SRC_BLEND_GL_DST_COLOR (36 << 16)
# define R300_SRC_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 16)
# define R300_SRC_BLEND_GL_SRC_ALPHA (38 << 16)
# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 16)
# define R300_SRC_BLEND_GL_DST_ALPHA (40 << 16)
# define R300_SRC_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 16)
# define R300_SRC_BLEND_GL_SRC_ALPHA_SATURATE (42 << 16)
# define R300_SRC_BLEND_MASK (63 << 16)
# define R300_DST_BLEND_GL_ZERO (32 << 24)
# define R300_DST_BLEND_GL_ONE (33 << 24)
# define R300_DST_BLEND_GL_SRC_COLOR (34 << 24)
# define R300_DST_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 24)
# define R300_DST_BLEND_GL_DST_COLOR (36 << 24)
# define R300_DST_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 24)
# define R300_DST_BLEND_GL_SRC_ALPHA (38 << 24)
# define R300_DST_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 24)
# define R300_DST_BLEND_GL_DST_ALPHA (40 << 24)
# define R300_DST_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 24)
# define R300_DST_BLEND_MASK (63 << 24)
# define R300_COMB_FCN_MIN (4 << 12)
# define R300_COMB_FCN_MAX (5 << 12)
# define R300_COMB_FCN_RSUB_CLAMP (6 << 12)
# define R300_COMB_FCN_RSUB_NOCLAMP (7 << 12)
# define R300_BLEND_GL_ZERO (32)
# define R300_BLEND_GL_ONE (33)
# define R300_BLEND_GL_SRC_COLOR (34)
# define R300_BLEND_GL_ONE_MINUS_SRC_COLOR (35)
# define R300_BLEND_GL_DST_COLOR (36)
# define R300_BLEND_GL_ONE_MINUS_DST_COLOR (37)
# define R300_BLEND_GL_SRC_ALPHA (38)
# define R300_BLEND_GL_ONE_MINUS_SRC_ALPHA (39)
# define R300_BLEND_GL_DST_ALPHA (40)
# define R300_BLEND_GL_ONE_MINUS_DST_ALPHA (41)
# define R300_BLEND_GL_SRC_ALPHA_SATURATE (42)
# define R300_BLEND_GL_CONST_COLOR (43)
# define R300_BLEND_GL_ONE_MINUS_CONST_COLOR (44)
# define R300_BLEND_GL_CONST_ALPHA (45)
# define R300_BLEND_GL_ONE_MINUS_CONST_ALPHA (46)
# define R300_BLEND_MASK (63)
# define R300_SRC_BLEND_SHIFT (16)
# define R300_DST_BLEND_SHIFT (24)
#define R300_RB3D_BLEND_COLOR 0x4E10
#define R300_RB3D_COLORMASK 0x4E0C
# define R300_COLORMASK0_B (1<<0)
# define R300_COLORMASK0_G (1<<1)
......@@ -1181,41 +1315,49 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_COLORMASK0_A (1<<3)
/* gap */
#define R300_RB3D_COLOROFFSET0 0x4E28
# define R300_COLOROFFSET_MASK 0xFFFFFFF0 /* GUESS */
#define R300_RB3D_COLOROFFSET1 0x4E2C /* GUESS */
#define R300_RB3D_COLOROFFSET2 0x4E30 /* GUESS */
#define R300_RB3D_COLOROFFSET3 0x4E34 /* GUESS */
# define R300_COLOROFFSET_MASK 0xFFFFFFF0 /* GUESS */
#define R300_RB3D_COLOROFFSET1 0x4E2C /* GUESS */
#define R300_RB3D_COLOROFFSET2 0x4E30 /* GUESS */
#define R300_RB3D_COLOROFFSET3 0x4E34 /* GUESS */
/* gap */
/* Bit 16: Larger tiles
// Bit 17: 4x2 tiles
// Bit 18: Extremely weird tile like, but some pixels duplicated? */
* Bit 17: 4x2 tiles
* Bit 18: Extremely weird tile like, but some pixels duplicated?
*/
#define R300_RB3D_COLORPITCH0 0x4E38
# define R300_COLORPITCH_MASK 0x00001FF8 /* GUESS */
# define R300_COLOR_TILE_ENABLE (1 << 16) /* GUESS */
# define R300_COLOR_MICROTILE_ENABLE (1 << 17) /* GUESS */
# define R300_COLOR_ENDIAN_NO_SWAP (0 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */
# define R300_COLORPITCH_MASK 0x00001FF8 /* GUESS */
# define R300_COLOR_TILE_ENABLE (1 << 16) /* GUESS */
# define R300_COLOR_MICROTILE_ENABLE (1 << 17) /* GUESS */
# define R300_COLOR_ENDIAN_NO_SWAP (0 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */
# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */
# define R300_COLOR_FORMAT_RGB565 (2 << 22)
# define R300_COLOR_FORMAT_ARGB8888 (3 << 22)
#define R300_RB3D_COLORPITCH1 0x4E3C /* GUESS */
#define R300_RB3D_COLORPITCH2 0x4E40 /* GUESS */
#define R300_RB3D_COLORPITCH3 0x4E44 /* GUESS */
#define R300_RB3D_COLORPITCH1 0x4E3C /* GUESS */
#define R300_RB3D_COLORPITCH2 0x4E40 /* GUESS */
#define R300_RB3D_COLORPITCH3 0x4E44 /* GUESS */
/* gap */
/* Guess by Vladimir.
// Set to 0A before 3D operations, set to 02 afterwards. */
* Set to 0A before 3D operations, set to 02 afterwards.
*/
#define R300_RB3D_DSTCACHE_CTLSTAT 0x4E4C
# define R300_RB3D_DSTCACHE_02 0x00000002
# define R300_RB3D_DSTCACHE_0A 0x0000000A
# define R300_RB3D_DSTCACHE_UNKNOWN_02 0x00000002
# define R300_RB3D_DSTCACHE_UNKNOWN_0A 0x0000000A
/* gap */
/* There seems to be no "write only" setting, so use Z-test = ALWAYS for this. */
/* Bit (1<<8) is the "test" bit. so plain write is 6 - vd */
/* There seems to be no "write only" setting, so use Z-test = ALWAYS
* for this.
* Bit (1<<8) is the "test" bit. so plain write is 6 - vd
*/
#define R300_RB3D_ZSTENCIL_CNTL_0 0x4F00
# define R300_RB3D_Z_DISABLED_1 0x00000010 /* GUESS */
# define R300_RB3D_Z_DISABLED_2 0x00000014 /* GUESS */
# define R300_RB3D_Z_DISABLED_1 0x00000010
# define R300_RB3D_Z_DISABLED_2 0x00000014
# define R300_RB3D_Z_TEST 0x00000012
# define R300_RB3D_Z_TEST_AND_WRITE 0x00000016
# define R300_RB3D_Z_WRITE_ONLY 0x00000006
......@@ -1226,7 +1368,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_RB3D_STENCIL_ENABLE 0x00000001
#define R300_RB3D_ZSTENCIL_CNTL_1 0x4F04
/* functions */
/* functions */
# define R300_ZS_NEVER 0
# define R300_ZS_LESS 1
# define R300_ZS_LEQUAL 2
......@@ -1236,7 +1378,7 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_ZS_NOTEQUAL 6
# define R300_ZS_ALWAYS 7
# define R300_ZS_MASK 7
/* operations */
/* operations */
# define R300_ZS_KEEP 0
# define R300_ZS_ZERO 1
# define R300_ZS_REPLACE 2
......@@ -1245,9 +1387,8 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_ZS_INVERT 5
# define R300_ZS_INCR_WRAP 6
# define R300_ZS_DECR_WRAP 7
/* front and back refer to operations done for front
and back faces, i.e. separate stencil function support */
/* front and back refer to operations done for front
and back faces, i.e. separate stencil function support */
# define R300_RB3D_ZS1_DEPTH_FUNC_SHIFT 0
# define R300_RB3D_ZS1_FRONT_FUNC_SHIFT 3
# define R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT 6
......@@ -1269,45 +1410,64 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_RB3D_ZSTENCIL_FORMAT 0x4F10
# define R300_DEPTH_FORMAT_16BIT_INT_Z (0 << 0)
# define R300_DEPTH_FORMAT_24BIT_INT_Z (2 << 0)
/* 16 bit format or some aditional bit ? */
# define R300_DEPTH_FORMAT_UNK32 (32 << 0)
#define R300_RB3D_EARLY_Z 0x4F14
# define R300_EARLY_Z_DISABLE (0 << 0)
# define R300_EARLY_Z_ENABLE (1 << 0)
/* gap */
#define R300_RB3D_ZCACHE_CTLSTAT 0x4F18 /* GUESS */
# define R300_RB3D_ZCACHE_UNKNOWN_01 0x1
# define R300_RB3D_ZCACHE_UNKNOWN_03 0x3
/* gap */
#define R300_RB3D_DEPTHOFFSET 0x4F20
#define R300_RB3D_DEPTHPITCH 0x4F24
# define R300_DEPTHPITCH_MASK 0x00001FF8 /* GUESS */
# define R300_DEPTH_TILE_ENABLE (1 << 16) /* GUESS */
# define R300_DEPTH_MICROTILE_ENABLE (1 << 17) /* GUESS */
# define R300_DEPTH_ENDIAN_NO_SWAP (0 << 18) /* GUESS */
# define R300_DEPTH_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */
# define R300_DEPTH_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */
/* BEGIN: Vertex program instruction set
// Every instruction is four dwords long:
// DWORD 0: output and opcode
// DWORD 1: first argument
// DWORD 2: second argument
// DWORD 3: third argument
//
// Notes:
// - ABS r, a is implemented as MAX r, a, -a
// - MOV is implemented as ADD to zero
// - XPD is implemented as MUL + MAD
// - FLR is implemented as FRC + ADD
// - apparently, fglrx tries to schedule instructions so that there is at least
// one instruction between the write to a temporary and the first read
// from said temporary; however, violations of this scheduling are allowed
// - register indices seem to be unrelated with OpenGL aliasing to conventional state
// - only one attribute and one parameter can be loaded at a time; however, the
// same attribute/parameter can be used for more than one argument
// - the second software argument for POW is the third hardware argument (no idea why)
// - MAD with only temporaries as input seems to use VPI_OUT_SELECT_MAD_2
//
// There is some magic surrounding LIT:
// The single argument is replicated across all three inputs, but swizzled:
// First argument: xyzy
// Second argument: xyzx
// Third argument: xyzw
// Whenever the result is used later in the fragment program, fglrx forces x and w
// to be 1.0 in the input selection; I don't know whether this is strictly necessary */
# define R300_DEPTHPITCH_MASK 0x00001FF8 /* GUESS */
# define R300_DEPTH_TILE_ENABLE (1 << 16) /* GUESS */
# define R300_DEPTH_MICROTILE_ENABLE (1 << 17) /* GUESS */
# define R300_DEPTH_ENDIAN_NO_SWAP (0 << 18) /* GUESS */
# define R300_DEPTH_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */
# define R300_DEPTH_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */
/* BEGIN: Vertex program instruction set */
/* Every instruction is four dwords long:
* DWORD 0: output and opcode
* DWORD 1: first argument
* DWORD 2: second argument
* DWORD 3: third argument
*
* Notes:
* - ABS r, a is implemented as MAX r, a, -a
* - MOV is implemented as ADD to zero
* - XPD is implemented as MUL + MAD
* - FLR is implemented as FRC + ADD
* - apparently, fglrx tries to schedule instructions so that there is at
* least one instruction between the write to a temporary and the first
* read from said temporary; however, violations of this scheduling are
* allowed
* - register indices seem to be unrelated with OpenGL aliasing to
* conventional state
* - only one attribute and one parameter can be loaded at a time; however,
* the same attribute/parameter can be used for more than one argument
* - the second software argument for POW is the third hardware argument
* (no idea why)
* - MAD with only temporaries as input seems to use VPI_OUT_SELECT_MAD_2
*
* There is some magic surrounding LIT:
* The single argument is replicated across all three inputs, but swizzled:
* First argument: xyzy
* Second argument: xyzx
* Third argument: xyzw
* Whenever the result is used later in the fragment program, fglrx forces
* x and w to be 1.0 in the input selection; I don't know whether this is
* strictly necessary
*/
#define R300_VPI_OUT_OP_DOT (1 << 0)
#define R300_VPI_OUT_OP_MUL (2 << 0)
#define R300_VPI_OUT_OP_ADD (3 << 0)
......@@ -1318,26 +1478,33 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_VPI_OUT_OP_MIN (8 << 0)
#define R300_VPI_OUT_OP_SGE (9 << 0)
#define R300_VPI_OUT_OP_SLT (10 << 0)
#define R300_VPI_OUT_OP_UNK12 (12 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, vector(scalar, vector) */
/* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, vector(scalar, vector) */
#define R300_VPI_OUT_OP_UNK12 (12 << 0)
#define R300_VPI_OUT_OP_ARL (13 << 0)
#define R300_VPI_OUT_OP_EXP (65 << 0)
#define R300_VPI_OUT_OP_LOG (66 << 0)
#define R300_VPI_OUT_OP_UNK67 (67 << 0) /* Used in fog computations, scalar(scalar) */
/* Used in fog computations, scalar(scalar) */
#define R300_VPI_OUT_OP_UNK67 (67 << 0)
#define R300_VPI_OUT_OP_LIT (68 << 0)
#define R300_VPI_OUT_OP_POW (69 << 0)
#define R300_VPI_OUT_OP_RCP (70 << 0)
#define R300_VPI_OUT_OP_RSQ (72 << 0)
#define R300_VPI_OUT_OP_UNK73 (73 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, scalar(scalar) */
/* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, scalar(scalar) */
#define R300_VPI_OUT_OP_UNK73 (73 << 0)
#define R300_VPI_OUT_OP_EX2 (75 << 0)
#define R300_VPI_OUT_OP_LG2 (76 << 0)
#define R300_VPI_OUT_OP_MAD_2 (128 << 0)
#define R300_VPI_OUT_OP_UNK129 (129 << 0) /* all temps, vector(scalar, vector, vector) */
/* all temps, vector(scalar, vector, vector) */
#define R300_VPI_OUT_OP_UNK129 (129 << 0)
#define R300_VPI_OUT_REG_CLASS_TEMPORARY (0 << 8)
#define R300_VPI_OUT_REG_CLASS_ADDR (1 << 8)
#define R300_VPI_OUT_REG_CLASS_RESULT (2 << 8)
#define R300_VPI_OUT_REG_CLASS_MASK (31 << 8)
#define R300_VPI_OUT_REG_INDEX_SHIFT 13
#define R300_VPI_OUT_REG_INDEX_MASK (31 << 13) /* GUESS based on fglrx native limits */
/* GUESS based on fglrx native limits */
#define R300_VPI_OUT_REG_INDEX_MASK (31 << 13)
#define R300_VPI_OUT_WRITE_X (1 << 20)
#define R300_VPI_OUT_WRITE_Y (1 << 21)
......@@ -1348,14 +1515,16 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_VPI_IN_REG_CLASS_ATTRIBUTE (1 << 0)
#define R300_VPI_IN_REG_CLASS_PARAMETER (2 << 0)
#define R300_VPI_IN_REG_CLASS_NONE (9 << 0)
#define R300_VPI_IN_REG_CLASS_MASK (31 << 0) /* GUESS */
#define R300_VPI_IN_REG_CLASS_MASK (31 << 0)
#define R300_VPI_IN_REG_INDEX_SHIFT 5
#define R300_VPI_IN_REG_INDEX_MASK (255 << 5) /* GUESS based on fglrx native limits */
/* GUESS based on fglrx native limits */
#define R300_VPI_IN_REG_INDEX_MASK (255 << 5)
/* The R300 can select components from the input register arbitrarily.
// Use the following constants, shifted by the component shift you
// want to select */
* Use the following constants, shifted by the component shift you
* want to select
*/
#define R300_VPI_IN_SELECT_X 0
#define R300_VPI_IN_SELECT_Y 1
#define R300_VPI_IN_SELECT_Z 2
......@@ -1373,11 +1542,11 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_VPI_IN_NEG_Y (1 << 26)
#define R300_VPI_IN_NEG_Z (1 << 27)
#define R300_VPI_IN_NEG_W (1 << 28)
/* END */
/* END: Vertex program instruction set */
//BEGIN: Packet 3 commands
/* BEGIN: Packet 3 commands */
// A primitive emission dword.
/* A primitive emission dword. */
#define R300_PRIM_TYPE_NONE (0 << 0)
#define R300_PRIM_TYPE_POINT (1 << 0)
#define R300_PRIM_TYPE_LINE (2 << 0)
......@@ -1389,7 +1558,8 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_PRIM_TYPE_RECT_LIST (8 << 0)
#define R300_PRIM_TYPE_3VRT_POINT_LIST (9 << 0)
#define R300_PRIM_TYPE_3VRT_LINE_LIST (10 << 0)
#define R300_PRIM_TYPE_POINT_SPRITES (11 << 0) // GUESS (based on r200)
/* GUESS (based on r200) */
#define R300_PRIM_TYPE_POINT_SPRITES (11 << 0)
#define R300_PRIM_TYPE_LINE_LOOP (12 << 0)
#define R300_PRIM_TYPE_QUADS (13 << 0)
#define R300_PRIM_TYPE_QUAD_STRIP (14 << 0)
......@@ -1399,37 +1569,58 @@ I am fairly certain that they are correct unless stated otherwise in comments.
#define R300_PRIM_WALK_LIST (2 << 4)
#define R300_PRIM_WALK_RING (3 << 4)
#define R300_PRIM_WALK_MASK (3 << 4)
#define R300_PRIM_COLOR_ORDER_BGRA (0 << 6) // GUESS (based on r200)
#define R300_PRIM_COLOR_ORDER_RGBA (1 << 6) // GUESS
/* GUESS (based on r200) */
#define R300_PRIM_COLOR_ORDER_BGRA (0 << 6)
#define R300_PRIM_COLOR_ORDER_RGBA (1 << 6)
#define R300_PRIM_NUM_VERTICES_SHIFT 16
#define R300_PRIM_NUM_VERTICES_MASK 0xffff
// Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR.
// Two parameter dwords:
// 0. The first parameter appears to be always 0
// 1. The second parameter is a standard primitive emission dword.
/* Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR.
* Two parameter dwords:
* 0. The first parameter appears to be always 0
* 1. The second parameter is a standard primitive emission dword.
*/
#define R300_PACKET3_3D_DRAW_VBUF 0x00002800
// Specify the full set of vertex arrays as (address, stride).
// The first parameter is the number of vertex arrays specified.
// The rest of the command is a variable length list of blocks, where
// each block is three dwords long and specifies two arrays.
// The first dword of a block is split into two words, the lower significant
// word refers to the first array, the more significant word to the second
// array in the block.
// The low byte of each word contains the size of an array entry in dwords,
// the high byte contains the stride of the array.
// The second dword of a block contains the pointer to the first array,
// the third dword of a block contains the pointer to the second array.
// Note that if the total number of arrays is odd, the third dword of
// the last block is omitted.
/* Specify the full set of vertex arrays as (address, stride).
* The first parameter is the number of vertex arrays specified.
* The rest of the command is a variable length list of blocks, where
* each block is three dwords long and specifies two arrays.
* The first dword of a block is split into two words, the lower significant
* word refers to the first array, the more significant word to the second
* array in the block.
* The low byte of each word contains the size of an array entry in dwords,
* the high byte contains the stride of the array.
* The second dword of a block contains the pointer to the first array,
* the third dword of a block contains the pointer to the second array.
* Note that if the total number of arrays is odd, the third dword of
* the last block is omitted.
*/
#define R300_PACKET3_3D_LOAD_VBPNTR 0x00002F00
#define R300_PACKET3_INDX_BUFFER 0x00003300
# define R300_EB_UNK1_SHIFT 24
# define R300_EB_UNK1 (0x80<<24)
# define R300_EB_UNK2 0x0810
#define R300_PACKET3_3D_DRAW_VBUF_2 0x00003400
#define R300_PACKET3_3D_DRAW_INDX_2 0x00003600
//END
/* END: Packet 3 commands */
/* Color formats for 2d packets
*/
#define R300_CP_COLOR_FORMAT_CI8 2
#define R300_CP_COLOR_FORMAT_ARGB1555 3
#define R300_CP_COLOR_FORMAT_RGB565 4
#define R300_CP_COLOR_FORMAT_ARGB8888 6
#define R300_CP_COLOR_FORMAT_RGB332 7
#define R300_CP_COLOR_FORMAT_RGB8 9
#define R300_CP_COLOR_FORMAT_ARGB4444 15
/*
* CP type-3 packets
*/
#define R300_CP_CMD_BITBLT_MULTI 0xC0009B00
#endif /* _R300_REG_H */
#endif /* _R300_REG_H */
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