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gallium: updated comments in st_extensions.c

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This commit is contained in:
Brian Paul
2009-01-26 12:31:02 -07:00
parent 0cd1ee764a
commit 6b1b8e4ca1
1 changed files with 12 additions and 7 deletions
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19
src/mesa/state_tracker/st_extensions.c
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@@ -124,7 +124,11 @@ void st_init_limits(struct st_context *st)
/** /**
* XXX this needs careful review * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine
* which GL extensions are supported.
* Quite a few extensions are always supported because they are standard
* features or can be built on top of other gallium features.
* Some fine tuning may still be needed.
*/ */
void st_init_extensions(struct st_context *st) void st_init_extensions(struct st_context *st)
{ {
@@ -134,10 +138,10 @@ void st_init_extensions(struct st_context *st)
/* /*
* Extensions that are supported by all Gallium drivers: * Extensions that are supported by all Gallium drivers:
*/ */
ctx->Extensions.ARB_multisample = GL_TRUE; /* API support */ ctx->Extensions.ARB_multisample = GL_TRUE;
ctx->Extensions.ARB_fragment_program = GL_TRUE; ctx->Extensions.ARB_fragment_program = GL_TRUE;
ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
ctx->Extensions.ARB_texture_compression = GL_TRUE; /* API support only */ ctx->Extensions.ARB_texture_compression = GL_TRUE;
ctx->Extensions.ARB_texture_cube_map = GL_TRUE; ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
ctx->Extensions.ARB_texture_env_combine = GL_TRUE; ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
@@ -168,7 +172,7 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.NV_texgen_reflection = GL_TRUE; ctx->Extensions.NV_texgen_reflection = GL_TRUE;
ctx->Extensions.SGI_color_matrix = GL_TRUE; ctx->Extensions.SGI_color_matrix = GL_TRUE;
ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; /* XXX temp */ ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;
/* /*
* Extensions that depend on the driver/hardware: * Extensions that depend on the driver/hardware:
@@ -246,6 +250,7 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
} }
/* sRGB support */
if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SRGB, if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SRGB,
PIPE_TEXTURE_2D, PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0) || PIPE_TEXTURE_USAGE_SAMPLER, 0) ||
@@ -255,13 +260,14 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.EXT_texture_sRGB = GL_TRUE; ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
} }
#if 01 /* s3tc support */
if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
PIPE_TEXTURE_2D, PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0)) { PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE; ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
} }
#endif
/* ycbcr support */
if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR, if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR,
PIPE_TEXTURE_2D, PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_SAMPLER, 0) || PIPE_TEXTURE_USAGE_SAMPLER, 0) ||
@@ -270,5 +276,4 @@ void st_init_extensions(struct st_context *st)
PIPE_TEXTURE_USAGE_SAMPLER, 0)) { PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
} }
} }