diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_extensions.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_extensions.c | 126 |
1 files changed, 39 insertions, 87 deletions
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c index e0ce87d0e68..226711e230f 100644 --- a/source/blender/gpu/intern/gpu_extensions.c +++ b/source/blender/gpu/intern/gpu_extensions.c @@ -56,14 +56,11 @@ /* Extensions support */ /* -- extension: version of GL that absorbs it + * EXT_gpu_shader4: 3.0 * ARB_framebuffer object: 3.0 - * EXT_framebuffer_object: 3.0 - * EXT_framebuffer_blit: 3.0 - * EXT_framebuffer_multisample: 3.0 * EXT_framebuffer_multisample_blit_scaled: ??? * ARB_draw_instanced: 3.1 * ARB_texture_multisample: 3.2 - * EXT_geometry_shader4: 3.2 * ARB_texture_query_lod: 4.0 */ @@ -71,7 +68,8 @@ static struct GPUGlobal { GLint maxtexsize; GLint maxcubemapsize; GLint maxtextures; - bool extdisabled; + GLint maxubosize; + GLint maxubobinds; int colordepth; int samples_color_texture_max; GPUDeviceType device; @@ -93,11 +91,6 @@ bool GPU_type_matches(GPUDeviceType device, GPUOSType os, GPUDriverType driver) /* GPU Extensions */ -void GPU_extensions_disable(void) -{ - GG.extdisabled = true; -} - int GPU_max_texture_size(void) { return GG.maxtexsize; @@ -123,6 +116,16 @@ int GPU_max_cube_map_size(void) return GG.maxcubemapsize; } +int GPU_max_ubo_binds(void) +{ + return GG.maxubobinds; +} + +int GPU_max_ubo_size(void) +{ + return GG.maxubosize; +} + void GPU_get_dfdy_factors(float fac[2]) { copy_v2_v2(fac, GG.dfdyfactors); @@ -130,8 +133,11 @@ void GPU_get_dfdy_factors(float fac[2]) void gpu_extensions_init(void) { - /* BLI_assert(GLEW_VERSION_2_1); */ - /* ^-- maybe a bit extreme? */ + /* during 2.8 development each platform has its own OpenGL minimum requirements + * final 2.8 release will be unified on OpenGL 3.3 core profile, no required extensions + * see developer.blender.org/T49012 for details + */ + BLI_assert(GLEW_VERSION_3_3); glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &GG.maxtextures); @@ -143,11 +149,22 @@ void gpu_extensions_init(void) else GG.max_anisotropy = 1.0f; + glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_BLOCKS, &GG.maxubobinds); + glGetIntegerv(GL_MAX_UNIFORM_BLOCK_SIZE, &GG.maxubosize); + +#ifndef NDEBUG + GLint ret; + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_FRONT_LEFT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &ret); + /* We expect FRONT_LEFT to be the default buffer. */ + BLI_assert(ret == GL_FRAMEBUFFER_DEFAULT); +#endif + GLint r, g, b; - glGetIntegerv(GL_RED_BITS, &r); - glGetIntegerv(GL_GREEN_BITS, &g); - glGetIntegerv(GL_BLUE_BITS, &b); - GG.colordepth = r + g + b; /* assumes same depth for RGB */ + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_FRONT_LEFT, GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE, &r); + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_FRONT_LEFT, GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE, &g); + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_FRONT_LEFT, GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE, &b); + GG.colordepth = r + g + b; /* Assumes same depth for RGB. */ if (GLEW_VERSION_3_2 || GLEW_ARB_texture_multisample) { glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &GG.samples_color_texture_max); @@ -157,7 +174,7 @@ void gpu_extensions_init(void) const char *renderer = (const char *)glGetString(GL_RENDERER); const char *version = (const char *)glGetString(GL_VERSION); - if (strstr(vendor, "ATI")) { + if (strstr(vendor, "ATI") || strstr(vendor, "AMD")) { GG.device = GPU_DEVICE_ATI; GG.driver = GPU_DRIVER_OFFICIAL; } @@ -174,6 +191,7 @@ void gpu_extensions_init(void) GG.driver = GPU_DRIVER_OFFICIAL; } else if ((strstr(renderer, "Mesa DRI R")) || + (strstr(renderer, "Radeon") && strstr(vendor, "X.Org")) || (strstr(renderer, "Gallium ") && strstr(renderer, " on ATI ")) || (strstr(renderer, "Gallium ") && strstr(renderer, " on AMD "))) { @@ -197,14 +215,11 @@ void gpu_extensions_init(void) GG.driver = GPU_DRIVER_SOFTWARE; } else { + printf("Warning: Could not find a matching GPU name. Things may not behave as expected.\n"); GG.device = GPU_DEVICE_ANY; GG.driver = GPU_DRIVER_ANY; } - /* make sure double side isn't used by default and only getting enabled in places where it's - * really needed to prevent different unexpected behaviors like with intel gme965 card (sergey) */ - glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE); - #ifdef _WIN32 GG.os = GPU_OS_WIN; #elif defined(__APPLE__) @@ -246,43 +261,6 @@ void gpu_extensions_exit(void) GPU_invalid_tex_free(); } -bool GPU_legacy_support(void) -{ - /* return whether or not current GL context is compatible with legacy OpenGL */ - static bool checked = false; - static bool support = true; - - if (!checked) { - if (GLEW_VERSION_3_2) { - GLint profile; - glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile); - - if (G.debug & G_DEBUG_GPU) { - printf("GL_CONTEXT_PROFILE_MASK = %#x (%s profile)\n", (unsigned int)profile, - (profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT) ? "compatibility" : - (profile & GL_CONTEXT_CORE_PROFILE_BIT) ? "core" : "unknown"); - } - - if (profile == 0) { - /* workaround for nVidia's Linux driver */ - support = GLEW_ARB_compatibility; - } - else { - support = profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT; - } - } - else if (GLEW_VERSION_3_1) { - support = GLEW_ARB_compatibility; - } - - /* any OpenGL version <= 3.0 is legacy, so support remains true */ - - checked = true; - } - - return support; -} - bool GPU_full_non_power_of_two_support(void) { /* always supported on full GL but still relevant for OpenGL ES 2.0 where @@ -290,39 +268,11 @@ bool GPU_full_non_power_of_two_support(void) return true; } -bool GPU_display_list_support(void) -{ - /* deprecated in GL 3 - * supported on older GL and compatibility profile - * still queried by game engine - */ - return true; -} - bool GPU_bicubic_bump_support(void) { return GLEW_VERSION_4_0 || (GLEW_ARB_texture_query_lod && GLEW_VERSION_3_0); } -bool GPU_geometry_shader_support(void) -{ - /* in GL 3.2 geometry shaders are fully supported - * core profile clashes with our other shaders so accept compatibility only - * other GL versions can use EXT_geometry_shader4 if available - */ - return (GLEW_VERSION_3_2 && GPU_legacy_support()) || GLEW_EXT_geometry_shader4; -} - -bool GPU_geometry_shader_support_via_extension(void) -{ - return GLEW_EXT_geometry_shader4 && !(GLEW_VERSION_3_2 && GPU_legacy_support()); -} - -bool GPU_instanced_drawing_support(void) -{ - return GLEW_VERSION_3_1 || GLEW_ARB_draw_instanced; -} - int GPU_color_depth(void) { return GG.colordepth; @@ -330,12 +280,14 @@ int GPU_color_depth(void) bool GPU_mem_stats_supported(void) { - return (GLEW_NVX_gpu_memory_info || (GLEW_ATI_meminfo)) && (G.debug & G_DEBUG_GPU_MEM); + return (GLEW_NVX_gpu_memory_info || GLEW_ATI_meminfo) && (G.debug & G_DEBUG_GPU_MEM); } void GPU_mem_stats_get(int *totalmem, int *freemem) { + /* TODO(merwin): use Apple's platform API to get this info */ + if (GLEW_NVX_gpu_memory_info) { /* returned value in Kb */ glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, totalmem); |