Commit 6b1b8e4c authored by Brian Paul's avatar Brian Paul

gallium: updated comments in st_extensions.c

parent 0cd1ee76
......@@ -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;
}
}
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