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[g3dvl] use instanced drawing to reduce the vertex buffer payload

This commit is contained in:
Christian König 2011-03-05 16:36:38 +01:00
parent 199034a3cc
commit 4ea3817602
4 changed files with 6 additions and 10 deletions
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4
src/gallium/auxiliary/vl/vl_idct.c
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@ -752,7 +752,7 @@ vl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer)
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[0]);
idct->pipe->bind_vs_state(idct->pipe, idct->matrix_vs);
idct->pipe->bind_fs_state(idct->pipe, idct->matrix_fs);
util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, num_verts);
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_verts);
/* second stage */
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state[1]);
@ -761,6 +761,6 @@ vl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer)
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers.stage[1]);
idct->pipe->bind_vs_state(idct->pipe, idct->transpose_vs);
idct->pipe->bind_fs_state(idct->pipe, idct->transpose_fs);
util_draw_arrays(idct->pipe, PIPE_PRIM_QUADS, 0, num_verts);
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_verts);
}
}

2
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
View File

@ -1080,7 +1080,7 @@ vl_mpeg12_mc_renderer_flush(struct vl_mpeg12_mc_renderer *renderer, struct vl_mp
renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs);
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs);
util_draw_arrays(renderer->pipe, PIPE_PRIM_QUADS, 0, buffer->num_macroblocks * 4);
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, buffer->num_macroblocks);
renderer->pipe->flush(renderer->pipe, PIPE_FLUSH_RENDER_CACHE, buffer->fence);

2
src/gallium/auxiliary/vl/vl_vertex_buffers.c
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@ -106,7 +106,7 @@ vl_vb_element_helper(struct pipe_vertex_element* elements, unsigned num_elements
for ( i = 0; i < num_elements; ++i ) {
elements[i].src_offset = offset;
elements[i].instance_divisor = 0;
elements[i].instance_divisor = 1;
elements[i].vertex_buffer_index = vertex_buffer_index;
offset += util_format_get_blocksize(elements[i].src_format);
}

8
src/gallium/auxiliary/vl/vl_vertex_buffers.h
View File

@ -57,16 +57,12 @@ static inline void
vl_vb_add_block(struct vl_vertex_buffer *buffer, void *elements)
{
void *pos;
unsigned i;
assert(buffer);
pos = buffer->vectors + buffer->num_verts * buffer->stride;
for(i = 0; i < 4; ++i) {
memcpy(pos, elements, buffer->stride);
pos += buffer->stride;
buffer->num_verts++;
}
memcpy(pos, elements, buffer->stride);
buffer->num_verts++;
}
void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);