[Mesa-dev] [PATCH 5/9] r300: Enable extensions by just setting the flags

Corbin Simpson mostawesomedude at gmail.com
Tue Sep 6 14:45:03 PDT 2011


So much win! I have a couple nits; replying inline.

On Tue, Sep 6, 2011 at 1:13 PM, Ian Romanick <idr at freedesktop.org> wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
>
> Core Mesa already does the dispatch offset remapping for every
> function that could possibly ever be supported.  There's no need to
> continue using that cruft in the driver.
>
> Since the call to _mesa_enable_imaging_extensions (via
> driInitExtensions) is removed, EXT_blend_color and EXT_blend_logic_op
> are explicitly added to the list.
>
> Cc: Alex Deucher <alexdeucher at gmail.com>
> Cc: Dave Airlie <airlied at redhat.com>
> ---
>  src/mesa/drivers/dri/r300/r300_context.c |  162 ++++++++++++------------------
>  1 files changed, 63 insertions(+), 99 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
> index 213d3c0..984aff5 100644
> --- a/src/mesa/drivers/dri/r300/r300_context.c
> +++ b/src/mesa/drivers/dri/r300/r300_context.c
> @@ -35,6 +35,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>  * \author Nicolai Haehnle <prefect_ at gmx.net>
>  */
>
> +#include <stdbool.h>
>  #include "main/glheader.h"
>  #include "main/api_arrayelt.h"
>  #include "main/context.h"
> @@ -71,91 +72,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>  #include "utils.h"
>  #include "xmlpool.h"           /* for symbolic values of enum-type options */
>
> -#define need_GL_VERSION_2_0
> -#define need_GL_ARB_occlusion_query
> -#define need_GL_ARB_point_parameters
> -#define need_GL_ARB_vertex_program
> -#define need_GL_EXT_blend_equation_separate
> -#define need_GL_EXT_blend_func_separate
> -#define need_GL_EXT_blend_minmax
> -#define need_GL_EXT_framebuffer_blit
> -#define need_GL_EXT_framebuffer_object
> -#define need_GL_EXT_fog_coord
> -#define need_GL_EXT_gpu_program_parameters
> -#define need_GL_EXT_provoking_vertex
> -#define need_GL_EXT_secondary_color
> -#define need_GL_EXT_stencil_two_side
> -#define need_GL_ATI_separate_stencil
> -#define need_GL_NV_vertex_program
> -#define need_GL_OES_EGL_image
> -
> -#include "main/remap_helper.h"
> -
> -static const struct dri_extension card_extensions[] = {
> -  /* *INDENT-OFF* */
> -  {"GL_ARB_depth_texture",             NULL},
> -  {"GL_ARB_fragment_program",          NULL},
> -  {"GL_ARB_occlusion_query",           GL_ARB_occlusion_query_functions},
> -  {"GL_ARB_multitexture",              NULL},
> -  {"GL_ARB_point_parameters",          GL_ARB_point_parameters_functions},
> -  {"GL_ARB_shadow",                    NULL},
> -  {"GL_ARB_shadow_ambient",            NULL},
> -  {"GL_ARB_texture_border_clamp",      NULL},
> -  {"GL_ARB_texture_cube_map",          NULL},
> -  {"GL_ARB_texture_env_add",           NULL},
> -  {"GL_ARB_texture_env_combine",       NULL},
> -  {"GL_ARB_texture_env_crossbar",      NULL},
> -  {"GL_ARB_texture_env_dot3",          NULL},
> -  {"GL_ARB_texture_mirrored_repeat",   NULL},
> -  {"GL_ARB_vertex_program",            GL_ARB_vertex_program_functions},
> -  {"GL_EXT_blend_equation_separate",   GL_EXT_blend_equation_separate_functions},
> -  {"GL_EXT_blend_func_separate",       GL_EXT_blend_func_separate_functions},
> -  {"GL_EXT_blend_minmax",              GL_EXT_blend_minmax_functions},
> -  {"GL_EXT_blend_subtract",            NULL},
> -  {"GL_EXT_fog_coord",                 GL_EXT_fog_coord_functions },
> -  {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
> -  {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
> -  {"GL_EXT_secondary_color",           GL_EXT_secondary_color_functions},
> -  {"GL_EXT_shadow_funcs",              NULL},
> -  {"GL_EXT_stencil_two_side",          GL_EXT_stencil_two_side_functions},
> -  {"GL_EXT_stencil_wrap",              NULL},
> -  {"GL_EXT_texture_edge_clamp",                NULL},
> -  {"GL_EXT_texture_env_combine",       NULL},
> -  {"GL_EXT_texture_env_dot3",          NULL},
> -  {"GL_EXT_texture_filter_anisotropic",        NULL},
> -  {"GL_EXT_texture_lod_bias",          NULL},
> -  {"GL_EXT_texture_mirror_clamp",      NULL},
> -  {"GL_EXT_texture_rectangle",         NULL},
> -  {"GL_EXT_texture_sRGB",              NULL},
> -  {"GL_EXT_vertex_array_bgra",         NULL},
> -  {"GL_ATI_separate_stencil",          GL_ATI_separate_stencil_functions},
> -  {"GL_ATI_texture_env_combine3",      NULL},
> -  {"GL_ATI_texture_mirror_once",       NULL},
> -  {"GL_MESA_pack_invert",              NULL},
> -  {"GL_MESA_ycbcr_texture",            NULL},
> -  {"GL_NV_blend_square",               NULL},
> -  {"GL_NV_vertex_program",             GL_NV_vertex_program_functions},
> -#if FEATURE_OES_EGL_image
> -  {"GL_OES_EGL_image",                  GL_OES_EGL_image_functions },
> -#endif
> -  {NULL,                               NULL}
> -  /* *INDENT-ON* */
> -};
> -
> -
> -static const struct dri_extension mm_extensions[] = {
> -  { "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions },
> -  { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
> -  { NULL, NULL }
> -};
> -
> -/**
> - * The GL 2.0 functions are needed to make display lists work with
> - * functions added by GL_ATI_separate_stencil.
> - */
> -static const struct dri_extension gl_20_extension[] = {
> -  {"GL_VERSION_2_0",                   GL_VERSION_2_0_functions },
> -};
>
>  static const struct tnl_pipeline_stage *r300_pipeline[] = {
>        /* Catch any t&l fallbacks
> @@ -447,28 +363,76 @@ static void r300InitGLExtensions(struct gl_context *ctx)
>  {
>        r300ContextPtr r300 = R300_CONTEXT(ctx);
>
> -       driInitExtensions(ctx, card_extensions, GL_TRUE);
> -       if (r300->radeon.radeonScreen->kernel_mm)
> -               driInitExtensions(ctx, mm_extensions, GL_FALSE);
> +       ctx->Extensions.ARB_depth_texture = true;
> +       ctx->Extensions.ARB_fragment_program = true;
> +       ctx->Extensions.ARB_multitexture = true;
> +       ctx->Extensions.ARB_shadow = true;
> +       ctx->Extensions.ARB_shadow_ambient = true;
> +       ctx->Extensions.ARB_texture_border_clamp = true;
> +       ctx->Extensions.ARB_texture_cube_map = true;
> +       ctx->Extensions.ARB_texture_env_combine = true;
> +       ctx->Extensions.ARB_texture_env_crossbar = true;
> +       ctx->Extensions.ARB_texture_env_dot3 = true;
> +       ctx->Extensions.ARB_texture_mirrored_repeat = true;
> +       ctx->Extensions.ARB_vertex_program = true;
> +       ctx->Extensions.EXT_blend_color = true;
> +       ctx->Extensions.EXT_blend_equation_separate = true;
> +       ctx->Extensions.EXT_blend_func_separate = true;
> +       ctx->Extensions.EXT_blend_logic_op = true;
> +       ctx->Extensions.EXT_blend_minmax = true;
> +       ctx->Extensions.EXT_blend_subtract = true;
> +       ctx->Extensions.EXT_fog_coord = true;
> +       ctx->Extensions.EXT_gpu_program_parameters = true;
> +       ctx->Extensions.EXT_point_parameters = true;
> +       ctx->Extensions.EXT_provoking_vertex = true;
> +       ctx->Extensions.EXT_secondary_color = true;
> +       ctx->Extensions.EXT_shadow_funcs = true;
> +       ctx->Extensions.EXT_stencil_two_side = true;
> +       ctx->Extensions.EXT_stencil_wrap = true;
> +       ctx->Extensions.EXT_texture_env_add = true;
> +       ctx->Extensions.EXT_texture_env_combine = true;
> +       ctx->Extensions.EXT_texture_env_dot3 = true;
> +       ctx->Extensions.EXT_texture_filter_anisotropic = true;
> +       ctx->Extensions.EXT_texture_lod_bias = true;
> +       ctx->Extensions.EXT_texture_mirror_clamp = true;
> +       ctx->Extensions.EXT_texture_sRGB = true;
> +       ctx->Extensions.EXT_vertex_array_bgra = true;
> +       ctx->Extensions.ATI_separate_stencil = true;
> +       ctx->Extensions.ATI_texture_env_combine3 = true;
> +       ctx->Extensions.ATI_texture_mirror_once = true;
> +       ctx->Extensions.MESA_pack_invert = true;
> +       ctx->Extensions.MESA_ycbcr_texture = true;
> +       ctx->Extensions.NV_blend_square = true;
> +       ctx->Extensions.NV_texture_rectangle = true;
> +       ctx->Extensions.NV_vertex_program = true;
> +#if FEATURE_OES_EGL_image
> +       ctx->Extensions.OES_EGL_image = true;
> +#endif
> +       ctx->Extensions.SGIS_texture_edge_clamp = true;
> +
> +       if (r300->radeon.radeonScreen->kernel_mm) {
> +               ctx->Extensions.EXT_framebuffer_blit = true;
> +               ctx->Extensions.EXT_framebuffer_object = true;
> +       }
>
>        if (r300->options.stencil_two_side_disabled)
> -               _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
> +               ctx->Extensions.EXT_stencil_two_side = true;

This is wrong; it should be = false. Even better, up above in the big
list, we could do:

  ctx->Extensions.EXT_stencil_two_side =
!r300->options.stencil_two_side_disabled;

Or whatever equivalent idiom is accepted in Mesa.

>
>        if (r300->options.s3tc_force_disabled) {
> -               _mesa_disable_extension(ctx, "GL_EXT_texture_compression_s3tc");
> +               ctx->Extensions.EXT_texture_compression_s3tc = false;
>        } else if (ctx->Mesa_DXTn || r300->options.s3tc_force_enabled) {
> -               _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
> -               _mesa_enable_extension(ctx, "GL_S3_s3tc");
> +               ctx->Extensions.EXT_texture_compression_s3tc = true;
> +               ctx->Extensions.S3_s3tc = true;
>        }

Should we force off S3_s3tc when EXT_tc_s3tc is forced off?

>
> -       if (!r300->radeon.radeonScreen->drmSupportsOcclusionQueries) {
> -               _mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
> -       }
> -        if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_R420)
> -               _mesa_enable_extension(ctx, "GL_ARB_half_float_vertex");
> +       ctx->Extensions.ARB_occlusion_query =
> +               r300->radeon.radeonScreen->drmSupportsOcclusionQueries;
> +
> +       ctx->Extensions.ARB_half_float_vertex =
> +               (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_R420);
>
> -       if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515)
> -               _mesa_enable_extension(ctx, "GL_EXT_packed_depth_stencil");
> +       ctx->Extensions.EXT_packed_depth_stencil =
> +               (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515);
>  }
>
>  static void r300InitIoctlFuncs(struct dd_function_table *functions)
> --
> 1.7.4.4

FWIW,

Reviewed-by: Corbin Simpson <MostAwesomeDude at gmail.com>

Thanks for this! I'm so happy!
~ C.

-- 
When the facts change, I change my mind. What do you do, sir? ~ Keynes

Corbin Simpson
<MostAwesomeDude at gmail.com>


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