X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_extensions.c;h=887700568300abdd08090877e28127d170c057d8;hb=9785ae0973cc206afc36dbc7d5b9553f92d06b47;hp=99b231d9706a03622e7e303050ed07af6611d435;hpb=adea7ea0bc2683c0ee544e20074062df9ae5a72b;p=mesa.git diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 99b231d9706..88770056830 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -30,6 +30,7 @@ #include "main/context.h" #include "main/macros.h" #include "main/mfeatures.h" +#include "main/version.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" @@ -85,12 +86,17 @@ void st_init_limits(struct st_context *st) c->MaxTextureRectSize = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE); + c->MaxArrayTextureLayers + = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS); + c->MaxTextureImageUnits - = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS), + = _min(screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, + PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS), MAX_TEXTURE_IMAGE_UNITS); c->MaxVertexTextureImageUnits - = _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS), + = _min(screen->get_shader_param(screen, PIPE_SHADER_VERTEX, + PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS), MAX_VERTEX_TEXTURE_IMAGE_UNITS); c->MaxCombinedTextureImageUnits @@ -102,19 +108,35 @@ void st_init_limits(struct st_context *st) c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits); + /* Define max viewport size and max renderbuffer size in terms of + * max texture size (note: max tex RECT size = max tex 2D size). + * If this isn't true for some hardware we'll need new PIPE_CAP_ queries. + */ + c->MaxViewportWidth = + c->MaxViewportHeight = + c->MaxRenderbufferSize = c->MaxTextureRectSize; + c->MaxDrawBuffers = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS), 1, MAX_DRAW_BUFFERS); + c->MaxDualSourceDrawBuffers + = _clamp(screen->get_param(screen, PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS), + 0, 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 */ @@ -126,17 +148,18 @@ 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), 1, MAX_DRAW_BUFFERS); - /* Quads always follow GL provoking rules. */ - c->QuadsFollowProvokingVertexConvention = GL_FALSE; + c->QuadsFollowProvokingVertexConvention = screen->get_param( + screen, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION); for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) { struct gl_shader_compiler_options *options = @@ -170,10 +193,16 @@ void st_init_limits(struct st_context *st) /* raise MaxParameters if native support is higher */ pc->MaxParameters = MAX2(pc->MaxParameters, pc->MaxNativeParameters); + /* Gallium doesn't really care about local vs. env parameters so use the + * same limits. + */ + pc->MaxLocalParams = MIN2(pc->MaxParameters, MAX_PROGRAM_LOCAL_PARAMS); + pc->MaxEnvParams = MIN2(pc->MaxParameters, MAX_PROGRAM_ENV_PARAMS); + options->EmitNoNoise = TRUE; /* TODO: make these more fine-grained if anyone needs it */ - options->EmitNoIfs = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->MaxIfDepth = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES); options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES); @@ -191,23 +220,111 @@ void st_init_limits(struct st_context *st) if (options->EmitNoLoops) options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536); + else + options->MaxUnrollIterations = 255; /* SM3 limit */ + options->LowerClipDistance = true; } - /* 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->GLSLVersion = 120; - } + c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET); + c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET); + + c->UniformBooleanTrue = ~0; + + c->MaxTransformFeedbackBuffers = + screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS); + c->MaxTransformFeedbackBuffers = MIN2(c->MaxTransformFeedbackBuffers, MAX_FEEDBACK_BUFFERS); + 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); } +static GLboolean st_get_s3tc_override(void) +{ + const char *override = _mesa_getenv("force_s3tc_enable"); + if (override && !strcmp(override, "true")) + return GL_TRUE; + return GL_FALSE; +} + +/** + * Given a member \c x of struct gl_extensions, return offset of + * \c x in bytes. + */ +#define o(x) offsetof(struct gl_extensions, x) + + +struct st_extension_cap_mapping { + int extension_offset; + int cap; +}; + +struct st_extension_format_mapping { + int extension_offset[2]; + enum pipe_format format[8]; + + /* If TRUE, at least one format must be supported for the extensions to be + * advertised. If FALSE, all the formats must be supported. */ + GLboolean need_at_least_one; +}; + +/** + * Enable extensions if certain pipe formats are supported by the driver. + * What extensions will be enabled and what formats must be supported is + * described by the array of st_extension_format_mapping. + * + * target and bind_flags are passed to is_format_supported. + */ +static void init_format_extensions(struct st_context *st, + const struct st_extension_format_mapping *mapping, + unsigned num_mappings, + enum pipe_texture_target target, + unsigned bind_flags) +{ + struct pipe_screen *screen = st->pipe->screen; + GLboolean *extensions = (GLboolean *) &st->ctx->Extensions; + unsigned i; + int j; + int num_formats = Elements(mapping->format); + int num_ext = Elements(mapping->extension_offset); + + for (i = 0; i < num_mappings; i++) { + int num_supported = 0; + + /* Examine each format in the list. */ + for (j = 0; j < num_formats && mapping[i].format[j]; j++) { + if (screen->is_format_supported(screen, mapping[i].format[j], + target, 0, bind_flags)) { + num_supported++; + } + } + + if (!num_supported || + (!mapping[i].need_at_least_one && num_supported != j)) { + continue; + } + + /* Enable all extensions in the list. */ + for (j = 0; j < num_ext && mapping[i].extension_offset[j]; j++) + extensions[mapping[i].extension_offset[j]] = GL_TRUE; + } +} + /** * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine * which GL extensions are supported. @@ -219,403 +336,310 @@ void st_init_extensions(struct st_context *st) { struct pipe_screen *screen = st->pipe->screen; struct gl_context *ctx = st->ctx; + int i, glsl_feature_level; + GLboolean *extensions = (GLboolean *) &ctx->Extensions; + + static const struct st_extension_cap_mapping cap_mapping[] = { + { o(ARB_base_instance), PIPE_CAP_START_INSTANCE }, + { o(ARB_depth_clamp), PIPE_CAP_DEPTH_CLIP_DISABLE }, + { o(ARB_depth_texture), PIPE_CAP_TEXTURE_SHADOW_MAP }, + { o(ARB_draw_buffers_blend), PIPE_CAP_INDEP_BLEND_FUNC }, + { o(ARB_draw_instanced), PIPE_CAP_TGSI_INSTANCEID }, + { o(ARB_fragment_program_shadow), PIPE_CAP_TEXTURE_SHADOW_MAP }, + { o(ARB_instanced_arrays), PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR }, + { o(ARB_occlusion_query), PIPE_CAP_OCCLUSION_QUERY }, + { o(ARB_occlusion_query2), PIPE_CAP_OCCLUSION_QUERY }, + { o(ARB_point_sprite), PIPE_CAP_POINT_SPRITE }, + { o(ARB_seamless_cube_map), PIPE_CAP_SEAMLESS_CUBE_MAP }, + { o(ARB_shader_stencil_export), PIPE_CAP_SHADER_STENCIL_EXPORT }, + { o(ARB_shader_texture_lod), PIPE_CAP_SM3 }, + { o(ARB_shadow), PIPE_CAP_TEXTURE_SHADOW_MAP }, + { o(ARB_texture_non_power_of_two), PIPE_CAP_NPOT_TEXTURES }, + { o(ARB_transform_feedback2), PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME }, + { o(ARB_transform_feedback3), PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME }, + + { o(EXT_blend_equation_separate), PIPE_CAP_BLEND_EQUATION_SEPARATE }, + { o(EXT_draw_buffers2), PIPE_CAP_INDEP_BLEND_ENABLE }, + { o(EXT_shadow_funcs), PIPE_CAP_TEXTURE_SHADOW_MAP }, + { o(EXT_stencil_two_side), PIPE_CAP_TWO_SIDED_STENCIL }, + { o(EXT_texture_array), PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS }, + { o(EXT_texture_filter_anisotropic), PIPE_CAP_ANISOTROPIC_FILTER }, + { o(EXT_texture_mirror_clamp), PIPE_CAP_TEXTURE_MIRROR_CLAMP }, + { o(EXT_texture_swizzle), PIPE_CAP_TEXTURE_SWIZZLE }, + { o(EXT_timer_query), PIPE_CAP_TIMER_QUERY }, + { o(EXT_transform_feedback), PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS }, + + { o(AMD_seamless_cubemap_per_texture), PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE }, + { o(ATI_separate_stencil), PIPE_CAP_TWO_SIDED_STENCIL }, + { o(ATI_texture_mirror_once), PIPE_CAP_TEXTURE_MIRROR_CLAMP }, + { o(NV_conditional_render), PIPE_CAP_CONDITIONAL_RENDER }, + { o(NV_texture_barrier), PIPE_CAP_TEXTURE_BARRIER }, + /* GL_NV_point_sprite is not supported by gallium because we don't + * support the GL_POINT_SPRITE_R_MODE_NV option. */ + { o(MESA_texture_array), PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS }, + + { o(OES_standard_derivatives), PIPE_CAP_SM3 } + }; + + /* Required: render target and sampler support */ + static const struct st_extension_format_mapping rendertarget_mapping[] = { + { { o(ARB_texture_float) }, + { PIPE_FORMAT_R32G32B32A32_FLOAT, + PIPE_FORMAT_R16G16B16A16_FLOAT } }, + + { { o(ARB_texture_rgb10_a2ui) }, + { PIPE_FORMAT_B10G10R10A2_UINT } }, + + { { o(EXT_framebuffer_sRGB) }, + { PIPE_FORMAT_A8B8G8R8_SRGB, + PIPE_FORMAT_B8G8R8A8_SRGB }, + GL_TRUE }, /* at least one format must be supported */ + + { { o(EXT_packed_float) }, + { PIPE_FORMAT_R11G11B10_FLOAT } }, + + { { o(EXT_texture_integer) }, + { PIPE_FORMAT_R32G32B32A32_UINT, + PIPE_FORMAT_R32G32B32A32_SINT } }, + }; + + /* Required: depth stencil and sampler support */ + static const struct st_extension_format_mapping depthstencil_mapping[] = { + { { o(ARB_depth_buffer_float) }, + { PIPE_FORMAT_Z32_FLOAT, + PIPE_FORMAT_Z32_FLOAT_S8X24_UINT } }, + + { { o(ARB_framebuffer_object), + o(EXT_packed_depth_stencil) }, + { PIPE_FORMAT_S8_UINT_Z24_UNORM, + PIPE_FORMAT_Z24_UNORM_S8_UINT }, + GL_TRUE }, /* at least one format must be supported */ + }; + + /* Required: sampler support */ + static const struct st_extension_format_mapping texture_mapping[] = { + { { o(ARB_texture_compression_rgtc) }, + { PIPE_FORMAT_RGTC1_UNORM, + PIPE_FORMAT_RGTC1_SNORM, + PIPE_FORMAT_RGTC2_UNORM, + PIPE_FORMAT_RGTC2_SNORM } }, + + { { o(ARB_texture_rg) }, + { PIPE_FORMAT_R8G8_UNORM } }, + + { { o(EXT_texture_compression_latc) }, + { PIPE_FORMAT_LATC1_UNORM, + PIPE_FORMAT_LATC1_SNORM, + PIPE_FORMAT_LATC2_UNORM, + PIPE_FORMAT_LATC2_SNORM } }, + + { { o(EXT_texture_compression_s3tc), + o(S3_s3tc) }, + { PIPE_FORMAT_DXT1_RGB, + PIPE_FORMAT_DXT1_RGBA, + PIPE_FORMAT_DXT3_RGBA, + PIPE_FORMAT_DXT5_RGBA } }, + + { { o(EXT_texture_shared_exponent) }, + { PIPE_FORMAT_R9G9B9E5_FLOAT } }, + + { { o(EXT_texture_snorm) }, + { PIPE_FORMAT_R8G8B8A8_SNORM } }, + + { { o(EXT_texture_sRGB), + o(EXT_texture_sRGB_decode) }, + { PIPE_FORMAT_A8B8G8R8_SRGB, + PIPE_FORMAT_B8G8R8A8_SRGB }, + GL_TRUE }, /* at least one format must be supported */ + + { { o(ATI_texture_compression_3dc) }, + { PIPE_FORMAT_LATC2_UNORM } }, + + { { o(MESA_ycbcr_texture) }, + { PIPE_FORMAT_UYVY, + PIPE_FORMAT_YUYV }, + GL_TRUE }, /* at least one format must be supported */ + + { { o(OES_compressed_ETC1_RGB8_texture) }, + { PIPE_FORMAT_ETC1_RGB8 } }, + }; + + /* Required: vertex fetch support. */ + static const struct st_extension_format_mapping vertex_mapping[] = { + { { o(ARB_vertex_type_2_10_10_10_rev) }, + { PIPE_FORMAT_R10G10B10A2_UNORM, + PIPE_FORMAT_B10G10R10A2_UNORM, + PIPE_FORMAT_R10G10B10A2_SNORM, + PIPE_FORMAT_B10G10R10A2_SNORM, + PIPE_FORMAT_R10G10B10A2_USCALED, + PIPE_FORMAT_B10G10R10A2_USCALED, + PIPE_FORMAT_R10G10B10A2_SSCALED, + PIPE_FORMAT_B10G10R10A2_SSCALED } }, + }; /* * Extensions that are supported by all Gallium drivers: */ - ctx->Extensions.ARB_copy_buffer = GL_TRUE; + ctx->Extensions.ARB_ES2_compatibility = 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_half_float_vertex = GL_TRUE; ctx->Extensions.ARB_map_buffer_range = GL_TRUE; - ctx->Extensions.ARB_multisample = 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_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; ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; - ctx->Extensions.ARB_vertex_array_object = GL_TRUE; - ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; + ctx->Extensions.ARB_texture_storage = GL_TRUE; ctx->Extensions.ARB_vertex_program = GL_TRUE; - ctx->Extensions.ARB_window_pos = GL_TRUE; + ctx->Extensions.ARB_vertex_shader = GL_TRUE; ctx->Extensions.EXT_blend_color = GL_TRUE; ctx->Extensions.EXT_blend_func_separate = GL_TRUE; - ctx->Extensions.EXT_blend_logic_op = GL_TRUE; ctx->Extensions.EXT_blend_minmax = GL_TRUE; - ctx->Extensions.EXT_blend_subtract = GL_TRUE; ctx->Extensions.EXT_framebuffer_blit = GL_TRUE; ctx->Extensions.EXT_framebuffer_object = GL_TRUE; ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE; ctx->Extensions.EXT_fog_coord = GL_TRUE; ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE; - ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; ctx->Extensions.EXT_point_parameters = GL_TRUE; ctx->Extensions.EXT_provoking_vertex = GL_TRUE; ctx->Extensions.EXT_secondary_color = GL_TRUE; - ctx->Extensions.EXT_stencil_wrap = GL_TRUE; - ctx->Extensions.EXT_texture_env_add = GL_TRUE; - ctx->Extensions.EXT_texture_env_combine = GL_TRUE; + ctx->Extensions.EXT_separate_shader_objects = GL_TRUE; ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; - ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE; - if (ctx->API == API_OPENGLES || ctx->API == API_OPENGLES2) - ctx->Extensions.EXT_texture_format_BGRA8888 = GL_TRUE; - - ctx->Extensions.APPLE_vertex_array_object = GL_TRUE; ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; ctx->Extensions.MESA_pack_invert = GL_TRUE; ctx->Extensions.NV_blend_square = GL_TRUE; - ctx->Extensions.NV_texgen_reflection = GL_TRUE; + ctx->Extensions.NV_fog_distance = GL_TRUE; ctx->Extensions.NV_texture_env_combine4 = GL_TRUE; ctx->Extensions.NV_texture_rectangle = GL_TRUE; -#if 0 - /* possibly could support the following two */ - ctx->Extensions.NV_vertex_program = GL_TRUE; - ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; -#endif -#if FEATURE_OES_EGL_image ctx->Extensions.OES_EGL_image = GL_TRUE; -#endif -#if FEATURE_OES_draw_texture + if (ctx->API != API_OPENGL) + ctx->Extensions.OES_EGL_image_external = GL_TRUE; ctx->Extensions.OES_draw_texture = GL_TRUE; -#endif - - ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; - - /* - * 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_TEXTURE_MIRROR_REPEAT) > 0) { - ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) { - ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_CLAMP) > 0) { - ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE; - ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { - ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) { - ctx->Extensions.ARB_multitexture = GL_TRUE; - } - if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) { - ctx->Extensions.ATI_separate_stencil = GL_TRUE; - ctx->Extensions.EXT_stencil_two_side = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_ANISOTROPIC_FILTER)) { - ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_POINT_SPRITE)) { - ctx->Extensions.ARB_point_sprite = GL_TRUE; - /* GL_NV_point_sprite is not supported by gallium because we don't - * support the GL_POINT_SPRITE_R_MODE_NV option. - */ - } - - if (screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY)) { - ctx->Extensions.ARB_occlusion_query = GL_TRUE; - ctx->Extensions.ARB_occlusion_query2 = GL_TRUE; - } - if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) { - ctx->Extensions.EXT_timer_query = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) { - ctx->Extensions.ARB_depth_texture = GL_TRUE; - ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE; - ctx->Extensions.ARB_shadow = GL_TRUE; - ctx->Extensions.EXT_shadow_funcs = GL_TRUE; - /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/ - } - - /* 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, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_DEPTH_STENCIL) && - screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_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, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_DEPTH_STENCIL) && - screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; - } - - /* float support - assume nothing exclusively supports 64-bit floats */ - if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW | - PIPE_BIND_RENDER_TARGET) && - screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW | - PIPE_BIND_RENDER_TARGET)) { - ctx->Extensions.ARB_texture_float = GL_TRUE; - } - - /* sRGB support */ - if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) || - screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_texture_sRGB = GL_TRUE; - ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE; - if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) || - screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET)) { - ctx->Extensions.EXT_framebuffer_sRGB = GL_TRUE; - ctx->Const.sRGBCapable = GL_TRUE; + /* Expose the extensions which directly correspond to gallium caps. */ + for (i = 0; i < Elements(cap_mapping); i++) { + if (screen->get_param(screen, cap_mapping[i].cap)) { + extensions[cap_mapping[i].extension_offset] = GL_TRUE; } } - if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.ARB_texture_rg = GL_TRUE; - } - - /* s3tc support */ - if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - ctx->Mesa_DXTn) { - ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE; - ctx->Extensions.S3_s3tc = GL_TRUE; - } - - if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) - ) { - ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE; - } - - if (screen->is_format_supported(screen, PIPE_FORMAT_LATC1_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_LATC1_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_LATC2_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_texture_compression_latc = GL_TRUE; - } - - if (screen->is_format_supported(screen, PIPE_FORMAT_LATC2_UNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE; - } - - if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_texture_snorm = GL_TRUE; - } - - /* ycbcr support */ - if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW) || - screen->is_format_supported(screen, PIPE_FORMAT_YUYV, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; - } - - /* GL_EXT_texture_array */ - if (screen->get_param(screen, PIPE_CAP_ARRAY_TEXTURES)) { - ctx->Extensions.EXT_texture_array = GL_TRUE; - ctx->Extensions.MESA_texture_array = GL_TRUE; - } - - /* GL_ARB_framebuffer_object */ - if (ctx->Extensions.EXT_packed_depth_stencil) { - /* we support always support GL_EXT_framebuffer_blit */ - ctx->Extensions.ARB_framebuffer_object = GL_TRUE; - } - - if (st->pipe->render_condition) { - ctx->Extensions.NV_conditional_render = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_ENABLE)) { - ctx->Extensions.EXT_draw_buffers2 = GL_TRUE; - } - - if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC)) { - ctx->Extensions.ARB_draw_buffers_blend = GL_TRUE; + /* Expose the extensions which directly correspond to gallium formats. */ + init_format_extensions(st, rendertarget_mapping, + Elements(rendertarget_mapping), PIPE_TEXTURE_2D, + PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW); + init_format_extensions(st, depthstencil_mapping, + Elements(depthstencil_mapping), PIPE_TEXTURE_2D, + PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW); + init_format_extensions(st, texture_mapping, Elements(texture_mapping), + PIPE_TEXTURE_2D, PIPE_BIND_SAMPLER_VIEW); + init_format_extensions(st, vertex_mapping, Elements(vertex_mapping), + PIPE_BUFFER, PIPE_BIND_VERTEX_BUFFER); + + /* Figure out GLSL support. */ + glsl_feature_level = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL); + + if (glsl_feature_level >= 130) { + ctx->Const.GLSLVersion = 130; + } else { + ctx->Const.GLSLVersion = 120; + } + + _mesa_override_glsl_version(st->ctx); + + if (ctx->Const.GLSLVersion >= 130) { + ctx->Const.NativeIntegers = GL_TRUE; + ctx->Const.MaxClipPlanes = 8; + + /* Extensions that only depend on GLSL 1.3. */ + ctx->Extensions.ARB_conservative_depth = GL_TRUE; + ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE; + } else { + /* Optional integer support for GLSL 1.2. */ + if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX, + PIPE_SHADER_CAP_INTEGERS) && + screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, + PIPE_SHADER_CAP_INTEGERS)) { + ctx->Const.NativeIntegers = GL_TRUE; + } } - /* GL_ARB_half_float_vertex */ - if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT, - PIPE_BUFFER, 0, - PIPE_BIND_VERTEX_BUFFER)) { - ctx->Extensions.ARB_half_float_vertex = GL_TRUE; - } + /* Below are the cases which cannot be moved into tables easily. */ - if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FIXED, - PIPE_BUFFER, 0, - PIPE_BIND_VERTEX_BUFFER)) { - ctx->Extensions.ARB_ES2_compatibility = GL_TRUE; + if (!ctx->Mesa_DXTn && !st_get_s3tc_override()) { + ctx->Extensions.EXT_texture_compression_s3tc = GL_FALSE; + ctx->Extensions.S3_s3tc = GL_FALSE; } - 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)) { + ctx->Const.PrimitiveRestartInSoftware = GL_TRUE; } - if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) { - ctx->Extensions.ARB_depth_clamp = GL_TRUE; - } - - /* This extension does not actually require support of floating point - * render targets, just clamping controls. - * Advertise this extension if either fragment color clamping is supported - * or no render targets having color values outside of the range [0, 1] - * are supported, in which case the fragment color clamping has no effect - * on rendering. - */ - if (screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL) || - (!screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) && - !screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SNORM, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) && - !screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) && - !screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) && - !screen->is_format_supported(screen, PIPE_FORMAT_R11G11B10_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET) && - !screen->is_format_supported(screen, PIPE_FORMAT_R9G9B9E5_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET))) { + if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) { ctx->Extensions.ARB_color_buffer_float = GL_TRUE; - } - if (screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) { - ctx->Extensions.ARB_shader_stencil_export = GL_TRUE; - } + if (!screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_CLAMPED)) { + st->clamp_vert_color_in_shader = TRUE; + } - if (screen->get_param(screen, PIPE_CAP_TGSI_INSTANCEID)) { - ctx->Extensions.ARB_draw_instanced = GL_TRUE; - } - if (screen->get_param(screen, PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR)) { - ctx->Extensions.ARB_instanced_arrays = GL_TRUE; + if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) { + st->clamp_frag_color_in_shader = TRUE; + } } if (screen->fence_finish) { ctx->Extensions.ARB_sync = GL_TRUE; } - if (st->pipe->texture_barrier) { - ctx->Extensions.NV_texture_barrier = GL_TRUE; - } - - if (screen->is_format_supported(screen, PIPE_FORMAT_R9G9B9E5_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE; + /* Maximum sample count. */ + for (i = 16; i > 0; --i) { + if (screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_TEXTURE_2D, i, + PIPE_BIND_RENDER_TARGET)) { + ctx->Const.MaxSamples = i; + break; + } } - if (screen->is_format_supported(screen, PIPE_FORMAT_R11G11B10_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_RENDER_TARGET | - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.EXT_packed_float = GL_TRUE; - } + if (ctx->Const.MaxDualSourceDrawBuffers > 0) + ctx->Extensions.ARB_blend_func_extended = GL_TRUE; - if (screen->get_param(screen, PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE)) { - ctx->Extensions.ARB_seamless_cube_map = GL_TRUE; - ctx->Extensions.AMD_seamless_cubemap_per_texture = GL_TRUE; - } - else if (screen->get_param(screen, PIPE_CAP_SEAMLESS_CUBE_MAP)) { - ctx->Extensions.ARB_seamless_cube_map = GL_TRUE; + if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY) && + screen->get_param(screen, PIPE_CAP_QUERY_TIMESTAMP)) { + ctx->Extensions.ARB_timer_query = GL_TRUE; } - if (screen->get_param(screen, PIPE_CAP_SM3)) { - ctx->Extensions.ARB_shader_texture_lod = GL_TRUE; + if (ctx->Extensions.ARB_transform_feedback2 && + ctx->Extensions.ARB_draw_instanced) { + ctx->Extensions.ARB_transform_feedback_instanced = GL_TRUE; } + if (st->options.force_glsl_extensions_warn) + ctx->Const.ForceGLSLExtensionsWarn = 1; - if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_DEPTH_STENCIL | - PIPE_BIND_SAMPLER_VIEW) && - screen->is_format_supported(screen, PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED, - PIPE_TEXTURE_2D, 0, - PIPE_BIND_DEPTH_STENCIL | - PIPE_BIND_SAMPLER_VIEW)) { - ctx->Extensions.ARB_depth_buffer_float = GL_TRUE; + ctx->Const.MinMapBufferAlignment = + screen->get_param(screen, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT); + if (ctx->Const.MinMapBufferAlignment >= 64) { + ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE; } }