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freedreno: add debug option to disable scissor optimization

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Useful for testing and debugging.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2013-05-29 10:16:33 -04:00
parent b2a32254d6
commit 8b167d34be
3 changed files with 22 additions and 14 deletions
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26
src/gallium/drivers/freedreno/freedreno_gmem.c
View file

@ -71,7 +71,8 @@ calculate_tiles(struct fd_context *ctx)
{
struct fd_gmem_stateobj *gmem = &ctx->gmem;
struct pipe_scissor_state *scissor = &ctx->max_scissor;
uint32_t cpp = util_format_get_blocksize(ctx->framebuffer.cbufs[0]->format);
struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
uint32_t cpp = util_format_get_blocksize(pfb->cbufs[0]->format);
uint32_t gmem_size = ctx->screen->gmemsize_bytes;
uint32_t minx, miny, width, height;
uint32_t nbins_x = 1, nbins_y = 1;
@ -84,10 +85,17 @@ calculate_tiles(struct fd_context *ctx)
return;
}
minx = scissor->minx & ~31; /* round down to multiple of 32 */
miny = scissor->miny & ~31;
width = scissor->maxx - minx;
height = scissor->maxy - miny;
if (fd_mesa_debug & FD_DBG_DSCIS) {
minx = 0;
miny = 0;
width = pfb->width;
height = pfb->height;
} else {
minx = scissor->minx & ~31; /* round down to multiple of 32 */
miny = scissor->miny & ~31;
width = scissor->maxx - minx;
height = scissor->maxy - miny;
}
// TODO we probably could optimize this a bit if we know that
// Z or stencil is not enabled for any of the draw calls..
@ -132,9 +140,7 @@ static void
render_tiles(struct fd_context *ctx)
{
struct fd_gmem_stateobj *gmem = &ctx->gmem;
uint32_t i, yoff = 0;
yoff= gmem->miny;
uint32_t i, yoff = gmem->miny;
ctx->emit_tile_init(ctx);
@ -143,13 +149,13 @@ render_tiles(struct fd_context *ctx)
uint32_t bh = gmem->bin_h;
/* clip bin height: */
bh = MIN2(bh, gmem->height - yoff);
bh = MIN2(bh, gmem->miny + gmem->height - yoff);
for (j = 0; j < gmem->nbins_x; j++) {
uint32_t bw = gmem->bin_w;
/* clip bin width: */
bw = MIN2(bw, gmem->width - xoff);
bw = MIN2(bw, gmem->minx + gmem->width - xoff);
DBG("bin_h=%d, yoff=%d, bin_w=%d, xoff=%d",
bh, yoff, bw, xoff);

1
src/gallium/drivers/freedreno/freedreno_screen.c
View file

@ -60,6 +60,7 @@ static const struct debug_named_value debug_options[] = {
{"disasm", FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
{"dclear", FD_DBG_DCLEAR, "Mark all state dirty after clear"},
{"dgmem", FD_DBG_DGMEM, "Mark all state dirty after GMEM tile pass"},
{"dscis", FD_DBG_DSCIS, "Disable scissor optimization"},
DEBUG_NAMED_VALUE_END
};

9
src/gallium/drivers/freedreno/freedreno_util.h
View file

@ -47,10 +47,11 @@ enum adreno_pa_su_sc_draw fd_polygon_mode(unsigned mode);
enum adreno_stencil_op fd_stencil_op(unsigned op);
#define FD_DBG_MSGS 0x1
#define FD_DBG_DISASM 0x2
#define FD_DBG_DCLEAR 0x4
#define FD_DBG_DGMEM 0x8
#define FD_DBG_MSGS 0x01
#define FD_DBG_DISASM 0x02
#define FD_DBG_DCLEAR 0x04
#define FD_DBG_DGMEM 0x08
#define FD_DBG_DSCIS 0x10
extern int fd_mesa_debug;
#define DBG(fmt, ...) \