diff options
| author | Brian Paul <[email protected]> | 2009-01-26 12:31:02 -0700 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2009-01-26 12:31:33 -0700 |
| commit | 6b1b8e4ca1c911105c42154c9e794262d74652e5 (patch) | |
| tree | 75b26d1c9f25785208c7dd8283351aa9c5139650 /src | |
| parent | 0cd1ee764a1775d0a3da860ebb73e441adbaafb8 (diff) | |
gallium: updated comments in st_extensions.c
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 8ec2113f074..cd34529d385 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -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) { @@ -134,10 +138,10 @@ void st_init_extensions(struct st_context *st) /* * 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_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_env_combine = 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.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: @@ -246,6 +250,7 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; } + /* sRGB support */ if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SRGB, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0) || @@ -255,13 +260,14 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.EXT_texture_sRGB = GL_TRUE; } -#if 01 + /* s3tc support */ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0)) { ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE; } -#endif + + /* ycbcr support */ if (screen->is_format_supported(screen, PIPE_FORMAT_YCBCR, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_SAMPLER, 0) || @@ -270,5 +276,4 @@ void st_init_extensions(struct st_context *st) PIPE_TEXTURE_USAGE_SAMPLER, 0)) { ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; } - } |