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llvmpipe: Implement index bias.

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This commit is contained in:
José Fonseca 2010-04-19 18:15:11 +02:00
parent 382e9cc07b
commit d27a53d469
2 changed files with 9 additions and 7 deletions
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12
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
View file

@ -46,7 +46,7 @@ void
llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
unsigned start, unsigned count)
{
llvmpipe_draw_elements(pipe, NULL, 0, mode, start, count);
llvmpipe_draw_elements(pipe, NULL, 0, 0, mode, start, count);
}
@ -59,6 +59,7 @@ void
llvmpipe_draw_range_elements(struct pipe_context *pipe,
struct pipe_resource *indexBuffer,
unsigned indexSize,
int indexBias,
unsigned min_index,
unsigned max_index,
unsigned mode, unsigned start, unsigned count)
@ -81,14 +82,14 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe,
/* Map index buffer, if present */
if (indexBuffer) {
void *mapped_indexes = llvmpipe_resource_data(indexBuffer);
draw_set_mapped_element_buffer_range(draw, indexSize,
draw_set_mapped_element_buffer_range(draw, indexSize, indexBias,
min_index,
max_index,
mapped_indexes);
}
else {
/* no index/element buffer */
draw_set_mapped_element_buffer_range(draw, 0, start,
draw_set_mapped_element_buffer_range(draw, 0, 0, start,
start + count - 1, NULL);
}
@ -102,7 +103,7 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe,
draw_set_mapped_vertex_buffer(draw, i, NULL);
}
if (indexBuffer) {
draw_set_mapped_element_buffer(draw, 0, NULL);
draw_set_mapped_element_buffer(draw, 0, 0, NULL);
}
/*
@ -118,10 +119,11 @@ void
llvmpipe_draw_elements(struct pipe_context *pipe,
struct pipe_resource *indexBuffer,
unsigned indexSize,
int indexBias,
unsigned mode, unsigned start, unsigned count)
{
llvmpipe_draw_range_elements( pipe, indexBuffer,
indexSize,
indexSize, indexBias,
0, 0xffffffff,
mode, start, count );
}

4
src/gallium/drivers/llvmpipe/lp_state.h
View file

@ -228,12 +228,12 @@ void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
void llvmpipe_draw_elements(struct pipe_context *pipe,
struct pipe_resource *indexBuffer,
unsigned indexSize,
unsigned indexSize, int indexBias,
unsigned mode, unsigned start, unsigned count);
void
llvmpipe_draw_range_elements(struct pipe_context *pipe,
struct pipe_resource *indexBuffer,
unsigned indexSize,
unsigned indexSize, int indexBias,
unsigned min_index,
unsigned max_index,
unsigned mode, unsigned start, unsigned count);