st/mesa: expose conservative_depth if GLSL 1.3 is supported
[mesa.git] / src / mesa / state_tracker / st_extensions.c
index 8865440d9c63e5712d28a6774d91fd2f56e3a46c..dc17d76a5efc88936ba81f90556bfbca4a15d73c 100644 (file)
@@ -113,14 +113,18 @@ void st_init_limits(struct st_context *st)
               1, MAX_DRAW_BUFFERS);
 
    c->MaxLineWidth
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_LINE_WIDTH));
    c->MaxLineWidthAA
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_LINE_WIDTH_AA));
 
    c->MaxPointSize
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_POINT_WIDTH));
    c->MaxPointSizeAA
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_POINT_WIDTH_AA));
    /* called after _mesa_create_context/_mesa_init_point, fix default user
     * settable max point size up
     */
@@ -132,10 +136,11 @@ void st_init_limits(struct st_context *st)
    c->MinPointSizeAA = 0.0f;
 
    c->MaxTextureMaxAnisotropy
-      = _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
+      = _maxf(2.0f, screen->get_paramf(screen,
+                                 PIPE_CAPF_MAX_TEXTURE_ANISOTROPY));
 
    c->MaxTextureLodBias
-      = screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
+      = screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS);
 
    c->MaxDrawBuffers
       = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
@@ -205,23 +210,31 @@ void st_init_limits(struct st_context *st)
          options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
    }
 
-   /* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs
-    * and is set in MaxNativeAttribs. It's always 2 colors + N generic
-    * attributes. The GLSL compiler never uses COLORn for varyings, so we
-    * subtract the 2 colors to get the maximum number of varyings (generic
-    * attributes) supported by a driver. */
-   c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2;
+   /* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
+    * of inputs. It's always 2 colors + N generic inputs. */
+   c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
+                                            PIPE_SHADER_CAP_MAX_INPUTS);
    c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
 
-   /* XXX we'll need a better query here someday */
-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
-      c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
-      c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
+   c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
+   c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
 
-      c->GLSLVersion = 120;
-      _mesa_override_glsl_version(st->ctx);
-      c->UniformBooleanTrue = ~0;
-   }
+   c->UniformBooleanTrue = ~0;
+
+   c->MaxTransformFeedbackSeparateAttribs =
+      screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_ATTRIBS);
+   c->MaxTransformFeedbackSeparateComponents =
+      screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS);
+   c->MaxTransformFeedbackInterleavedComponents =
+      screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS);
+
+   c->StripTextureBorder = GL_TRUE;
+
+   c->GLSLSkipStrictMaxUniformLimitCheck =
+      screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS);
+
+   c->GLSLSkipStrictMaxVaryingLimitCheck =
+      screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS);
 }
 
 
@@ -247,23 +260,38 @@ void st_init_extensions(struct st_context *st)
    struct gl_context *ctx = st->ctx;
    int i;
 
+   ctx->Const.GLSLVersion = 120;
+   _mesa_override_glsl_version(st->ctx);
+
+   /* Extensions that only depend on the GLSL version:
+    */
+   if (ctx->Const.GLSLVersion >= 130) {
+      ctx->Extensions.ARB_conservative_depth = GL_TRUE;
+   }
+
    /*
     * Extensions that are supported by all Gallium drivers:
     */
    ctx->Extensions.ARB_copy_buffer = GL_TRUE;
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+   ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
+   ctx->Extensions.ARB_fragment_shader = GL_TRUE;
    ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
    ctx->Extensions.ARB_sampler_objects = GL_TRUE;
+   ctx->Extensions.ARB_shader_objects = GL_TRUE;
+   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
    ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+   ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
+   ctx->Extensions.ARB_vertex_shader = GL_TRUE;
    ctx->Extensions.ARB_window_pos = GL_TRUE;
 
    ctx->Extensions.EXT_blend_color = GL_TRUE;
@@ -278,6 +306,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
    ctx->Extensions.EXT_secondary_color = GL_TRUE;
+   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
 
@@ -288,6 +317,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.MESA_pack_invert = GL_TRUE;
 
    ctx->Extensions.NV_blend_square = GL_TRUE;
+   ctx->Extensions.NV_fog_distance = GL_TRUE;
    ctx->Extensions.NV_texgen_reflection = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
@@ -299,6 +329,8 @@ void st_init_extensions(struct st_context *st)
 
 #if FEATURE_OES_EGL_image
    ctx->Extensions.OES_EGL_image = GL_TRUE;
+   if (ctx->API != API_OPENGL)
+      ctx->Extensions.OES_EGL_image_external = GL_TRUE;
 #endif
 #if FEATURE_OES_draw_texture
    ctx->Extensions.OES_draw_texture = GL_TRUE;
@@ -307,23 +339,10 @@ void st_init_extensions(struct st_context *st)
    /*
     * Extensions that depend on the driver/hardware:
     */
-   if (screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS) > 0) {
-      ctx->Extensions.ARB_draw_buffers = GL_TRUE;
-   }
-
    if (screen->get_param(screen, PIPE_CAP_TEXTURE_SWIZZLE) > 0) {
       ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
    }
 
-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
-      ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-      ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-      ctx->Extensions.ARB_shader_objects = GL_TRUE;
-      ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-      ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
-      ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-   }
-
    if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) {
       ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
    }
@@ -358,7 +377,7 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
    }
    if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) {
-     ctx->Extensions.EXT_timer_query = GL_TRUE;
+      ctx->Extensions.EXT_timer_query = GL_TRUE;
    }
 
    if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) {
@@ -372,18 +391,18 @@ void st_init_extensions(struct st_context *st)
    /* GL_EXT_packed_depth_stencil requires both the ability to render to
     * a depth/stencil buffer and texture from depth/stencil source.
     */
-   if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+   if (screen->is_format_supported(screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
                                    PIPE_TEXTURE_2D, 0,
                                    PIPE_BIND_DEPTH_STENCIL) &&
-       screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+       screen->is_format_supported(screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
                                    PIPE_TEXTURE_2D, 0,
                                    PIPE_BIND_SAMPLER_VIEW)) {
       ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
    }
-   else if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+   else if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
                                         PIPE_TEXTURE_2D, 0,
                                         PIPE_BIND_DEPTH_STENCIL) &&
-            screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+            screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
                                         PIPE_TEXTURE_2D, 0,
                                         PIPE_BIND_SAMPLER_VIEW)) {
       ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
@@ -473,6 +492,14 @@ 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)) {
@@ -553,14 +580,16 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = GL_TRUE;
    }
 
-   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
+   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
+                                PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
 #if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
       ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
 #endif
    }
 
-   if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {
-      ctx->Extensions.NV_primitive_restart = GL_TRUE;
+   ctx->Extensions.NV_primitive_restart = GL_TRUE;
+   if (!screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {
+      st->sw_primitive_restart = GL_TRUE;
    }
 
    if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) {
@@ -654,10 +683,24 @@ void st_init_extensions(struct st_context *st)
                                    PIPE_TEXTURE_2D, 0,
                                    PIPE_BIND_DEPTH_STENCIL |
                                    PIPE_BIND_SAMPLER_VIEW) &&
-       screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED,
+       screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT_S8X24_UINT,
                                    PIPE_TEXTURE_2D, 0,
                                    PIPE_BIND_DEPTH_STENCIL |
                                    PIPE_BIND_SAMPLER_VIEW)) {
       ctx->Extensions.ARB_depth_buffer_float = GL_TRUE;
    }
+
+   if (screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_UINT,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW))
+       ctx->Extensions.ARB_texture_rgb10_a2ui = GL_TRUE;
+
+   if (screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0) {
+      ctx->Extensions.EXT_transform_feedback = GL_TRUE;
+
+      if (screen->get_param(screen,
+                            PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME) != 0) {
+         ctx->Extensions.ARB_transform_feedback2 = GL_TRUE;
+      }
+   }
 }