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r300g: add support for more unaligned vertex formats

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An aligned stride is still needed for it to work.

I am slowly approaching the Sauerbraten milestone!
This commit is contained in:
Marek Olšák 2010-04-27 00:09:21 +02:00
parent a961431285
commit 307f28cf1e
1 changed files with 33 additions and 1 deletions
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34
src/gallium/drivers/r300/r300_state.c
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@ -1294,18 +1294,46 @@ static void* r300_create_vertex_elements_state(struct pipe_context* pipe,
/* Replace some formats with their aligned counterparts,
* this is OK because we check for aligned strides too. */
switch (*format) {
/* Align to RGBA8. */
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8G8B8_UNORM:
*format = PIPE_FORMAT_R8G8B8X8_UNORM;
*format = PIPE_FORMAT_R8G8B8A8_UNORM;
continue;
case PIPE_FORMAT_R8_SNORM:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_R8G8B8_SNORM:
*format = PIPE_FORMAT_R8G8B8A8_SNORM;
continue;
case PIPE_FORMAT_R8_USCALED:
case PIPE_FORMAT_R8G8_USCALED:
case PIPE_FORMAT_R8G8B8_USCALED:
*format = PIPE_FORMAT_R8G8B8A8_USCALED;
continue;
case PIPE_FORMAT_R8_SSCALED:
case PIPE_FORMAT_R8G8_SSCALED:
case PIPE_FORMAT_R8G8B8_SSCALED:
*format = PIPE_FORMAT_R8G8B8A8_SSCALED;
continue;
/* Align to RG16. */
case PIPE_FORMAT_R16_UNORM:
*format = PIPE_FORMAT_R16G16_UNORM;
continue;
case PIPE_FORMAT_R16_SNORM:
*format = PIPE_FORMAT_R16G16_SNORM;
continue;
case PIPE_FORMAT_R16_USCALED:
*format = PIPE_FORMAT_R16G16_USCALED;
continue;
case PIPE_FORMAT_R16_SSCALED:
*format = PIPE_FORMAT_R16G16_SSCALED;
continue;
case PIPE_FORMAT_R16_FLOAT:
*format = PIPE_FORMAT_R16G16_FLOAT;
continue;
/* Align to RGBA16. */
case PIPE_FORMAT_R16G16B16_UNORM:
*format = PIPE_FORMAT_R16G16B16A16_UNORM;
continue;
@ -1318,6 +1346,10 @@ static void* r300_create_vertex_elements_state(struct pipe_context* pipe,
case PIPE_FORMAT_R16G16B16_SSCALED:
*format = PIPE_FORMAT_R16G16B16A16_SSCALED;
continue;
case PIPE_FORMAT_R16G16B16_FLOAT:
*format = PIPE_FORMAT_R16G16B16A16_FLOAT;
continue;
default:;
}