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r600g: fix computing how much space is needed for a draw command

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Reviewed-by: Jerome Glisse <jglisse@redhat.com>
This commit is contained in:
Marek Olšák 2012-09-10 20:38:03 +02:00
parent 8faf3bcf07
commit 51d839edc8
2 changed files with 13 additions and 7 deletions
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17
src/gallium/drivers/r600/r600_hw_context.c
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@ -599,8 +599,8 @@ void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
num_dw += ctx->pm4_dirty_cdwords;
/* The upper-bound of how much a draw command would take. */
num_dw += R600_MAX_DRAW_CS_DWORDS;
/* The upper-bound of how much space a draw command would take. */
num_dw += R600_MAX_FLUSH_CS_DWORDS + R600_MAX_DRAW_CS_DWORDS;
}
/* Count in queries_suspend. */
@ -615,11 +615,16 @@ void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
num_dw += 3;
}
/* Count in framebuffer cache flushes at the end of CS. */
num_dw += 44; /* one SURFACE_SYNC and CACHE_FLUSH_AND_INV (r6xx-only) */
/* SX_MISC */
if (ctx->chip_class <= R700) {
num_dw += 3;
}
/* Save 16 dwords for the fence mechanism. */
num_dw += 16;
/* Count in framebuffer cache flushes at the end of CS. */
num_dw += R600_MAX_FLUSH_CS_DWORDS;
/* The fence at the end of CS. */
num_dw += 10;
/* Flush if there's not enough space. */
if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {

3
src/gallium/drivers/r600/r600_hw_context_priv.h
View file

@ -29,7 +29,8 @@
#include "r600_pipe.h"
/* the number of CS dwords for flushing and drawing */
#define R600_MAX_DRAW_CS_DWORDS 64
#define R600_MAX_FLUSH_CS_DWORDS 44
#define R600_MAX_DRAW_CS_DWORDS 13
/* these flags are used in register flags and added into block flags */
#define REG_FLAG_NEED_BO 1