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st/mesa: add support for GL_OES_compressed_ETC1_RGB8_texture

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Have st/mesa recognize MESA_FORMAT_ETC1_RGB8 then we are good to advertise the
extension.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Chia-I Wu
2011-11-29 12:49:36 +08:00
parent 5c31eb78e5
commit cde6c91fd5
2 changed files with 20 additions and 0 deletions
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8
src/mesa/state_tracker/st_extensions.c
View File

@@ -475,6 +475,14 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
}
if (ctx->API != API_OPENGL) {
if (screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW)) {
ctx->Extensions.OES_compressed_ETC1_RGB8_texture = GL_TRUE;
}
}
if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW)) {

12
src/mesa/state_tracker/st_format.c
View File

@@ -420,6 +420,9 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
case MESA_FORMAT_SIGNED_LA_LATC2:
return PIPE_FORMAT_LATC2_SNORM;
case MESA_FORMAT_ETC1_RGB8:
return PIPE_FORMAT_ETC1_RGB8;
/* signed normalized formats */
case MESA_FORMAT_SIGNED_R8:
return PIPE_FORMAT_R8_SNORM;
@@ -745,6 +748,9 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_LATC2_SNORM:
return MESA_FORMAT_SIGNED_LA_LATC2;
case PIPE_FORMAT_ETC1_RGB8:
return MESA_FORMAT_ETC1_RGB8;
/* signed normalized formats */
case PIPE_FORMAT_R8_SNORM:
return MESA_FORMAT_SIGNED_R8;
@@ -1189,6 +1195,12 @@ static const struct format_mapping format_map[] = {
{ PIPE_FORMAT_LATC2_SNORM, 0 }
},
/* ETC1 */
{
{ GL_ETC1_RGB8_OES, 0 },
{ PIPE_FORMAT_ETC1_RGB8, 0 }
},
/* signed/unsigned integer formats.
*/
{