diff options
| author | Pauli Nieminen <[email protected]> | 2010-02-06 14:47:27 +0200 |
|---|---|---|
| committer | Pauli Nieminen <[email protected]> | 2010-02-06 19:25:13 +0200 |
| commit | db3460e31cd4a2ccc9674715e8074f549f953676 (patch) | |
| tree | 6fcd99f2bd3dda14eec5d7b733a73804b0258e3a /src/mesa/drivers/dri/r300 | |
| parent | cdb0a51e8a8de605c4f2155396609fbb98ada65d (diff) | |
r300: Fix emit size prediction to know about primitive splitting.
Fixes ut2004 warnings about overflowing command buffer.
Diffstat (limited to 'src/mesa/drivers/dri/r300')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_draw.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_draw.c b/src/mesa/drivers/dri/r300/r300_draw.c index 813495a0466..4ae0d6fe48f 100644 --- a/src/mesa/drivers/dri/r300/r300_draw.c +++ b/src/mesa/drivers/dri/r300/r300_draw.c @@ -605,13 +605,23 @@ static void r300FreeData(GLcontext *ctx) } } -static GLuint r300PredictTryDrawPrimsSize(GLcontext *ctx, GLuint nr_prims) +static GLuint r300PredictTryDrawPrimsSize(GLcontext *ctx, + GLuint nr_prims, const struct _mesa_prim *prim) { struct r300_context *r300 = R300_CONTEXT(ctx); struct r300_vertex_buffer *vbuf = &r300->vbuf; GLboolean flushed; GLuint dwords; GLuint state_size; + int i; + GLuint extra_prims = 0; + + /* Check for primitive splitting. */ + for (i = 0; i < nr_prims; ++i) { + const GLuint num_verts = r300NumVerts(r300, prim[i].count, prim[i].mode); + extra_prims += num_verts/(65535 - 32); + } + nr_prims += extra_prims; dwords = 2*CACHE_FLUSH_BUFSZ; dwords += PRE_EMIT_STATE_BUFSZ; @@ -667,7 +677,7 @@ static GLboolean r300TryDrawPrims(GLcontext *ctx, /* ensure we have the cmd buf space in advance to cover * the state + DMA AOS pointers */ - GLuint emit_end = r300PredictTryDrawPrimsSize(ctx, nr_prims) + GLuint emit_end = r300PredictTryDrawPrimsSize(ctx, nr_prims, prim) + r300->radeon.cmdbuf.cs->cdw; r300SetupIndexBuffer(ctx, ib); |