diff options
author | Maciej Cencora <m.cencora@gmail.com> | 2009-08-14 16:59:26 +0200 |
---|---|---|
committer | Maciej Cencora <m.cencora@gmail.com> | 2009-08-14 17:10:15 +0200 |
commit | 9e018d822523e559fa8d92c3b5a83dd5554a0676 (patch) | |
tree | 7c754943a69f0d815a657550bf988ae26a5cff2d /src/mesa/drivers/dri/r300/r300_render.c | |
parent | 7c060bff13c4e0ac9ea0644a0fe0fc98f46f9b5d (diff) |
r300: rework index buffer setup
Copy elements directly to DMA bo to get rid of one memcpy, and prepare for using VBOs for index buffer.
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_render.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_render.c | 85 |
1 files changed, 31 insertions, 54 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c index 22b0d316cf..196cb47fef 100644 --- a/src/mesa/drivers/dri/r300/r300_render.c +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -172,64 +172,42 @@ int r300NumVerts(r300ContextPtr rmesa, int num_verts, int prim) return num_verts - verts_off; } -static void r300EmitElts(GLcontext * ctx, unsigned long n_elts) -{ - r300ContextPtr rmesa = R300_CONTEXT(ctx); - void *out; - GLuint size; - - size = ((rmesa->ind_buf.is_32bit ? 4 : 2) * n_elts + 3) & ~3; - - radeonAllocDmaRegion(&rmesa->radeon, &rmesa->radeon.tcl.elt_dma_bo, - &rmesa->radeon.tcl.elt_dma_offset, size, 4); - radeon_bo_map(rmesa->radeon.tcl.elt_dma_bo, 1); - out = rmesa->radeon.tcl.elt_dma_bo->ptr + rmesa->radeon.tcl.elt_dma_offset; - memcpy(out, rmesa->ind_buf.ptr, size); - radeon_bo_unmap(rmesa->radeon.tcl.elt_dma_bo); -} - static void r300FireEB(r300ContextPtr rmesa, int vertex_count, int type) { BATCH_LOCALS(&rmesa->radeon); + int size; - r300_emit_scissor(rmesa->radeon.glCtx); - if (vertex_count > 0) { - int size; - - BEGIN_BATCH(10); - OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0); - if (rmesa->ind_buf.is_32bit) { - size = vertex_count; - OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | - ((vertex_count + 0) << 16) | type | - R300_VAP_VF_CNTL__INDEX_SIZE_32bit); - } else { - size = (vertex_count + 1) >> 1; - OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | - ((vertex_count + 0) << 16) | type); - } + r300_emit_scissor(rmesa->radeon.glCtx); - if (!rmesa->radeon.radeonScreen->kernel_mm) { - OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); - OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | - (R300_VAP_PORT_IDX0 >> 2)); - OUT_BATCH_RELOC(rmesa->radeon.tcl.elt_dma_offset, - rmesa->radeon.tcl.elt_dma_bo, - rmesa->radeon.tcl.elt_dma_offset, - RADEON_GEM_DOMAIN_GTT, 0, 0); - OUT_BATCH(size); - } else { - OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); - OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | - (R300_VAP_PORT_IDX0 >> 2)); - OUT_BATCH(rmesa->radeon.tcl.elt_dma_offset); - OUT_BATCH(size); - radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, - rmesa->radeon.tcl.elt_dma_bo, - RADEON_GEM_DOMAIN_GTT, 0, 0); - } - END_BATCH(); + BEGIN_BATCH(10); + OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0); + if (rmesa->ind_buf.is_32bit) { + size = vertex_count; + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | + (vertex_count << 16) | type | + R300_VAP_VF_CNTL__INDEX_SIZE_32bit); + } else { + size = (vertex_count + 1) >> 1; + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | + (vertex_count << 16) | type); + } + + if (!rmesa->radeon.radeonScreen->kernel_mm) { + OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); + OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | + (R300_VAP_PORT_IDX0 >> 2)); + OUT_BATCH_RELOC(0, rmesa->ind_buf.bo, rmesa->ind_buf.bo_offset, RADEON_GEM_DOMAIN_GTT, 0, 0); + OUT_BATCH(size); + } else { + OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); + OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | + (R300_VAP_PORT_IDX0 >> 2)); + OUT_BATCH(rmesa->ind_buf.bo_offset); + OUT_BATCH(size); + radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, + rmesa->ind_buf.bo, RADEON_GEM_DOMAIN_GTT, 0, 0); } + END_BATCH(); } static void r300EmitAOS(r300ContextPtr rmesa, GLuint nr, GLuint offset) @@ -365,8 +343,7 @@ void r300RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim) */ rcommonEnsureCmdBufSpace(&rmesa->radeon, 128, __FUNCTION__); - if (rmesa->ind_buf.ptr) { - r300EmitElts(ctx, num_verts); + if (rmesa->ind_buf.bo) { r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, 0); if (rmesa->radeon.radeonScreen->kernel_mm) { BEGIN_BATCH_NO_AUTOSTATE(2); |