diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_draw.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_draw.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_draw.c b/src/mesa/drivers/dri/r300/r300_draw.c index 3cdb9dc2ed..03521e3fb6 100644 --- a/src/mesa/drivers/dri/r300/r300_draw.c +++ b/src/mesa/drivers/dri/r300/r300_draw.c @@ -39,6 +39,7 @@ #include "r300_render.h" #include "r300_state.h" #include "r300_tex.h" +#include "r300_cmdbuf.h" #include "radeon_buffer_objects.h" @@ -567,6 +568,34 @@ static void r300FreeData(GLcontext *ctx) } } +static GLuint r300PredictTryDrawPrimsSize(GLcontext *ctx, GLuint nr_prims) +{ + struct r300_context *r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + int flushed; + GLuint dwords; + GLuint state_size; + + dwords = 2*CACHE_FLUSH_BUFSZ; + dwords += PRE_EMIT_STATE_BUFSZ; + dwords += (AOS_BUFSZ(vbuf->num_attribs) + + SCISSORS_BUFSZ + + FIREAOS_BUFSZ )*nr_prims; + + state_size= radeonCountEmitSize(&r300->radeon); + flushed = rcommonEnsureCmdBufSpace(&r300->radeon, + dwords + state_size, + __FUNCTION__); + if (flushed) + dwords += radeonCountEmitSize(&r300->radeon); + else + dwords += state_size; + + if (RADEON_DEBUG & DEBUG_PRIMS) + fprintf(stderr, "%s: total prediction size is %d.\n", __FUNCTION__, dwords); + return dwords; +} + static GLboolean r300TryDrawPrims(GLcontext *ctx, const struct gl_client_array *arrays[], const struct _mesa_prim *prim, @@ -592,8 +621,6 @@ static GLboolean r300TryDrawPrims(GLcontext *ctx, r300SwitchFallback(ctx, R300_FALLBACK_INVALID_BUFFERS, !r300ValidateBuffers(ctx)); - /* ensure we have the cmd buf space in advance to cover - * the state + DMA AOS pointers */ rcommonEnsureCmdBufSpace(&r300->radeon, r300->radeon.hw.max_state_size + (60*sizeof(int)), __FUNCTION__); @@ -607,6 +634,10 @@ static GLboolean r300TryDrawPrims(GLcontext *ctx, r300UpdateShaderStates(r300); + /* ensure we have the cmd buf space in advance to cover + * the state + DMA AOS pointers */ + r300PredictTryDrawPrimsSize(ctx, nr_prims); + r300SetupIndexBuffer(ctx, ib); r300AllocDmaRegions(ctx, arrays, max_index + 1); |