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[r300] Document some of the wild guesses in VAP_OUTPUT_VTX_FMT based on AMD spec

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This commit is contained in:
Christoph Brill
2008-02-25 19:39:16 +01:00
parent ff8bb004b1
commit 059aca86ba
3 changed files with 12 additions and 9 deletions
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src/mesa/drivers/dri/r300/r300_emit.c
+1 -1
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@@ -294,7 +294,7 @@ GLuint r300VAPOutputCntl0(GLcontext * ctx, GLuint OutputsWritten)
ret |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
if (OutputsWritten & (1 << VERT_RESULT_COL0))
ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT;
if (OutputsWritten & (1 << VERT_RESULT_COL1))
ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT;
src/mesa/drivers/dri/r300/r300_ioctl.c
+1 -1
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@@ -235,7 +235,7 @@ static void r300EmitClearState(GLcontext * ctx)
R300_STATECHANGE(r300, vof);
reg_start(R300_VAP_OUTPUT_VTX_FMT_0, 1);
e32(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT |
R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT);
R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT);
e32(0x0); /* no textures */
R300_STATECHANGE(r300, txe);
src/mesa/drivers/dri/r300/r300_reg.h
+10 -7
View File
@@ -106,14 +106,13 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* 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_0_PRESENT (1<<1)
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2)
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3)
# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4)
# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16)
#define R300_VAP_OUTPUT_VTX_FMT_1 0x2094
/* each of the following is 3 bits wide, specifies number
@@ -126,7 +125,11 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
# 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: Wild guesses */
# define R300_VAP_OUTPUT_VTX_FMT_1__NOT_PRESENT (1<<0)
# define R300_VAP_OUTPUT_VTX_FMT_1__1_COMPONENT (1<<1)
# define R300_VAP_OUTPUT_VTX_FMT_1__2_COMPONENTS (1<<2)
# define R300_VAP_OUTPUT_VTX_FMT_1__3_COMPONENTS (1<<3)
# define R300_VAP_OUTPUT_VTX_FMT_1__4_COMPONENTS (1<<4)
#define R300_SE_VTE_CNTL 0x20b0
# define R300_VPORT_X_SCALE_ENA 0x00000001