diff options
Diffstat (limited to 'xorg-server/glx/glxscreens.c')
-rw-r--r-- | xorg-server/glx/glxscreens.c | 454 |
1 files changed, 226 insertions, 228 deletions
diff --git a/xorg-server/glx/glxscreens.c b/xorg-server/glx/glxscreens.c index d75f48a2b..1ece23038 100644 --- a/xorg-server/glx/glxscreens.c +++ b/xorg-server/glx/glxscreens.c @@ -49,118 +49,116 @@ #include "protocol-versions.h" static DevPrivateKeyRec glxScreenPrivateKeyRec; + #define glxScreenPrivateKey (&glxScreenPrivateKeyRec) const char GLServerVersion[] = "1.4"; -static const char GLServerExtensions[] = - "GL_ARB_depth_texture " - "GL_ARB_draw_buffers " - "GL_ARB_fragment_program " - "GL_ARB_fragment_program_shadow " - "GL_ARB_imaging " - "GL_ARB_multisample " - "GL_ARB_multitexture " - "GL_ARB_occlusion_query " - "GL_ARB_point_parameters " - "GL_ARB_point_sprite " - "GL_ARB_shadow " - "GL_ARB_shadow_ambient " - "GL_ARB_texture_border_clamp " - "GL_ARB_texture_compression " - "GL_ARB_texture_cube_map " - "GL_ARB_texture_env_add " - "GL_ARB_texture_env_combine " - "GL_ARB_texture_env_crossbar " - "GL_ARB_texture_env_dot3 " - "GL_ARB_texture_mirrored_repeat " - "GL_ARB_texture_non_power_of_two " - "GL_ARB_transpose_matrix " - "GL_ARB_vertex_program " - "GL_ARB_window_pos " - "GL_EXT_abgr " - "GL_EXT_bgra " - "GL_EXT_blend_color " - "GL_EXT_blend_equation_separate " - "GL_EXT_blend_func_separate " - "GL_EXT_blend_logic_op " - "GL_EXT_blend_minmax " - "GL_EXT_blend_subtract " - "GL_EXT_clip_volume_hint " - "GL_EXT_copy_texture " - "GL_EXT_draw_range_elements " - "GL_EXT_fog_coord " - "GL_EXT_framebuffer_object " - "GL_EXT_multi_draw_arrays " - "GL_EXT_packed_pixels " - "GL_EXT_paletted_texture " - "GL_EXT_point_parameters " - "GL_EXT_polygon_offset " - "GL_EXT_rescale_normal " - "GL_EXT_secondary_color " - "GL_EXT_separate_specular_color " - "GL_EXT_shadow_funcs " - "GL_EXT_shared_texture_palette " - "GL_EXT_stencil_two_side " - "GL_EXT_stencil_wrap " - "GL_EXT_subtexture " - "GL_EXT_texture " - "GL_EXT_texture3D " - "GL_EXT_texture_compression_dxt1 " - "GL_EXT_texture_compression_s3tc " - "GL_EXT_texture_edge_clamp " - "GL_EXT_texture_env_add " - "GL_EXT_texture_env_combine " - "GL_EXT_texture_env_dot3 " - "GL_EXT_texture_filter_anisotropic " - "GL_EXT_texture_lod " - "GL_EXT_texture_lod_bias " - "GL_EXT_texture_mirror_clamp " - "GL_EXT_texture_object " - "GL_EXT_texture_rectangle " - "GL_EXT_vertex_array " - "GL_3DFX_texture_compression_FXT1 " - "GL_APPLE_packed_pixels " - "GL_ATI_draw_buffers " - "GL_ATI_texture_env_combine3 " - "GL_ATI_texture_mirror_once " - "GL_HP_occlusion_test " - "GL_IBM_texture_mirrored_repeat " - "GL_INGR_blend_func_separate " - "GL_MESA_pack_invert " - "GL_MESA_ycbcr_texture " - "GL_NV_blend_square " - "GL_NV_depth_clamp " - "GL_NV_fog_distance " - "GL_NV_fragment_program " - "GL_NV_fragment_program_option " - "GL_NV_fragment_program2 " - "GL_NV_light_max_exponent " - "GL_NV_multisample_filter_hint " - "GL_NV_point_sprite " - "GL_NV_texgen_reflection " - "GL_NV_texture_compression_vtc " - "GL_NV_texture_env_combine4 " - "GL_NV_texture_expand_normal " - "GL_NV_texture_rectangle " - "GL_NV_vertex_program " - "GL_NV_vertex_program1_1 " - "GL_NV_vertex_program2 " - "GL_NV_vertex_program2_option " - "GL_NV_vertex_program3 " - "GL_OES_compressed_paletted_texture " - "GL_SGI_color_matrix " - "GL_SGI_color_table " - "GL_SGIS_generate_mipmap " - "GL_SGIS_multisample " - "GL_SGIS_point_parameters " - "GL_SGIS_texture_border_clamp " - "GL_SGIS_texture_edge_clamp " - "GL_SGIS_texture_lod " - "GL_SGIX_depth_texture " - "GL_SGIX_shadow " - "GL_SGIX_shadow_ambient " - "GL_SUN_slice_accum " - ; +static const char GLServerExtensions[] = + "GL_ARB_depth_texture " + "GL_ARB_draw_buffers " + "GL_ARB_fragment_program " + "GL_ARB_fragment_program_shadow " + "GL_ARB_imaging " + "GL_ARB_multisample " + "GL_ARB_multitexture " + "GL_ARB_occlusion_query " + "GL_ARB_point_parameters " + "GL_ARB_point_sprite " + "GL_ARB_shadow " + "GL_ARB_shadow_ambient " + "GL_ARB_texture_border_clamp " + "GL_ARB_texture_compression " + "GL_ARB_texture_cube_map " + "GL_ARB_texture_env_add " + "GL_ARB_texture_env_combine " + "GL_ARB_texture_env_crossbar " + "GL_ARB_texture_env_dot3 " + "GL_ARB_texture_mirrored_repeat " + "GL_ARB_texture_non_power_of_two " + "GL_ARB_transpose_matrix " + "GL_ARB_vertex_program " + "GL_ARB_window_pos " + "GL_EXT_abgr " + "GL_EXT_bgra " + "GL_EXT_blend_color " + "GL_EXT_blend_equation_separate " + "GL_EXT_blend_func_separate " + "GL_EXT_blend_logic_op " + "GL_EXT_blend_minmax " + "GL_EXT_blend_subtract " + "GL_EXT_clip_volume_hint " + "GL_EXT_copy_texture " + "GL_EXT_draw_range_elements " + "GL_EXT_fog_coord " + "GL_EXT_framebuffer_object " + "GL_EXT_multi_draw_arrays " + "GL_EXT_packed_pixels " + "GL_EXT_paletted_texture " + "GL_EXT_point_parameters " + "GL_EXT_polygon_offset " + "GL_EXT_rescale_normal " + "GL_EXT_secondary_color " + "GL_EXT_separate_specular_color " + "GL_EXT_shadow_funcs " + "GL_EXT_shared_texture_palette " + "GL_EXT_stencil_two_side " + "GL_EXT_stencil_wrap " + "GL_EXT_subtexture " + "GL_EXT_texture " + "GL_EXT_texture3D " + "GL_EXT_texture_compression_dxt1 " + "GL_EXT_texture_compression_s3tc " + "GL_EXT_texture_edge_clamp " + "GL_EXT_texture_env_add " + "GL_EXT_texture_env_combine " + "GL_EXT_texture_env_dot3 " + "GL_EXT_texture_filter_anisotropic " + "GL_EXT_texture_lod " + "GL_EXT_texture_lod_bias " + "GL_EXT_texture_mirror_clamp " + "GL_EXT_texture_object " + "GL_EXT_texture_rectangle " + "GL_EXT_vertex_array " + "GL_3DFX_texture_compression_FXT1 " + "GL_APPLE_packed_pixels " + "GL_ATI_draw_buffers " + "GL_ATI_texture_env_combine3 " + "GL_ATI_texture_mirror_once " + "GL_HP_occlusion_test " + "GL_IBM_texture_mirrored_repeat " + "GL_INGR_blend_func_separate " + "GL_MESA_pack_invert " + "GL_MESA_ycbcr_texture " + "GL_NV_blend_square " + "GL_NV_depth_clamp " + "GL_NV_fog_distance " + "GL_NV_fragment_program " + "GL_NV_fragment_program_option " + "GL_NV_fragment_program2 " + "GL_NV_light_max_exponent " + "GL_NV_multisample_filter_hint " + "GL_NV_point_sprite " + "GL_NV_texgen_reflection " + "GL_NV_texture_compression_vtc " + "GL_NV_texture_env_combine4 " + "GL_NV_texture_expand_normal " + "GL_NV_texture_rectangle " + "GL_NV_vertex_program " + "GL_NV_vertex_program1_1 " + "GL_NV_vertex_program2 " + "GL_NV_vertex_program2_option " + "GL_NV_vertex_program3 " + "GL_OES_compressed_paletted_texture " + "GL_SGI_color_matrix " + "GL_SGI_color_table " + "GL_SGIS_generate_mipmap " + "GL_SGIS_multisample " + "GL_SGIS_point_parameters " + "GL_SGIS_texture_border_clamp " + "GL_SGIS_texture_edge_clamp " + "GL_SGIS_texture_lod " + "GL_SGIX_depth_texture " + "GL_SGIX_shadow " "GL_SGIX_shadow_ambient " "GL_SUN_slice_accum "; /* ** We have made the simplifying assuption that the same extensions are @@ -170,24 +168,20 @@ static char GLXServerVendorName[] = "SGI"; unsigned glxMajorVersion = SERVER_GLX_MAJOR_VERSION; unsigned glxMinorVersion = SERVER_GLX_MINOR_VERSION; static char GLXServerExtensions[] = - "GLX_ARB_multisample " - "GLX_EXT_visual_info " - "GLX_EXT_visual_rating " - "GLX_EXT_import_context " - "GLX_EXT_texture_from_pixmap " - "GLX_OML_swap_method " - "GLX_SGI_make_current_read " + "GLX_ARB_multisample " + "GLX_EXT_visual_info " + "GLX_EXT_visual_rating " + "GLX_EXT_import_context " + "GLX_EXT_texture_from_pixmap " + "GLX_OML_swap_method " "GLX_SGI_make_current_read " #ifndef __APPLE__ - "GLX_SGIS_multisample " + "GLX_SGIS_multisample " #endif - "GLX_SGIX_fbconfig " - "GLX_SGIX_pbuffer " - "GLX_MESA_copy_sub_buffer " - "GLX_INTEL_swap_event" - ; + "GLX_SGIX_fbconfig " + "GLX_SGIX_pbuffer " "GLX_MESA_copy_sub_buffer " "GLX_INTEL_swap_event"; static Bool -glxCloseScreen (int index, ScreenPtr pScreen) +glxCloseScreen(int index, ScreenPtr pScreen) { __GLXscreen *pGlxScreen = glxGetScreen(pScreen); @@ -204,23 +198,24 @@ glxGetScreen(ScreenPtr pScreen) return dixLookupPrivate(&pScreen->devPrivates, glxScreenPrivateKey); } -_X_EXPORT void GlxSetVisualConfigs(int nconfigs, - void *configs, void **privates) +_X_EXPORT void +GlxSetVisualConfigs(int nconfigs, void *configs, void **privates) { /* We keep this stub around for the DDX drivers that still * call it. */ } -GLint glxConvertToXVisualType(int visualType) +GLint +glxConvertToXVisualType(int visualType) { static const int x_visual_types[] = { - TrueColor, DirectColor, - PseudoColor, StaticColor, - GrayScale, StaticGray + TrueColor, DirectColor, + PseudoColor, StaticColor, + GrayScale, StaticGray }; - return ( (unsigned) (visualType - GLX_TRUE_COLOR) < 6 ) - ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1; + return ((unsigned) (visualType - GLX_TRUE_COLOR) < 6) + ? x_visual_types[visualType - GLX_TRUE_COLOR] : -1; } /* This code inspired by composite/compinit.c. We could move this to @@ -229,23 +224,23 @@ GLint glxConvertToXVisualType(int visualType) static VisualPtr AddScreenVisuals(ScreenPtr pScreen, int count, int d) { - int i; - DepthPtr depth; + int i; + DepthPtr depth; depth = NULL; for (i = 0; i < pScreen->numDepths; i++) { - if (pScreen->allowedDepths[i].depth == d) { - depth = &pScreen->allowedDepths[i]; - break; - } + if (pScreen->allowedDepths[i].depth == d) { + depth = &pScreen->allowedDepths[i]; + break; + } } if (depth == NULL) - return NULL; + return NULL; if (ResizeVisualArray(pScreen, count, depth) == FALSE) return NULL; - /* Return a pointer to the first of the added visuals. */ + /* Return a pointer to the first of the added visuals. */ return pScreen->visuals + pScreen->numVisuals - count; } @@ -255,16 +250,17 @@ findFirstSet(unsigned int v) int i; for (i = 0; i < 32; i++) - if (v & (1 << i)) - return i; + if (v & (1 << i)) + return i; return -1; } static void -initGlxVisual(VisualPtr visual, __GLXconfig *config) +initGlxVisual(VisualPtr visual, __GLXconfig * config) { int maxBits; + maxBits = max(config->redBits, max(config->greenBits, config->blueBits)); config->visualID = visual->vid; @@ -282,59 +278,60 @@ initGlxVisual(VisualPtr visual, __GLXconfig *config) } static __GLXconfig * -pickFBConfig(__GLXscreen *pGlxScreen, VisualPtr visual) +pickFBConfig(__GLXscreen * pGlxScreen, VisualPtr visual) { __GLXconfig *best = NULL, *config; int best_score = 0; for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) { - int score = 0; - - if (config->redMask != visual->redMask || - config->greenMask != visual->greenMask || - config->blueMask != visual->blueMask) - continue; - if (config->visualRating != GLX_NONE) - continue; - if (glxConvertToXVisualType(config->visualType) != visual->class) - continue; - /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */ - if (visual->nplanes == 32 && config->rgbBits != 32) - continue; - /* Can't use the same FBconfig for multiple X visuals. I think. */ - if (config->visualID != 0) - continue; - - if (config->doubleBufferMode > 0) - score += 8; - if (config->depthBits > 0) - score += 4; - if (config->stencilBits > 0) - score += 2; - if (config->alphaBits > 0) - score++; - - if (score > best_score) { - best = config; - best_score = score; - } + int score = 0; + + if (config->redMask != visual->redMask || + config->greenMask != visual->greenMask || + config->blueMask != visual->blueMask) + continue; + if (config->visualRating != GLX_NONE) + continue; + if (glxConvertToXVisualType(config->visualType) != visual->class) + continue; + /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */ + if (visual->nplanes == 32 && config->rgbBits != 32) + continue; + /* Can't use the same FBconfig for multiple X visuals. I think. */ + if (config->visualID != 0) + continue; + + if (config->doubleBufferMode > 0) + score += 8; + if (config->depthBits > 0) + score += 4; + if (config->stencilBits > 0) + score += 2; + if (config->alphaBits > 0) + score++; + + if (score > best_score) { + best = config; + best_score = score; + } } return best; } -void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen) +void +__glXScreenInit(__GLXscreen * pGlxScreen, ScreenPtr pScreen) { __GLXconfig *m; __GLXconfig *config; int i; if (!dixRegisterPrivateKey(&glxScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return; + return; - pGlxScreen->pScreen = pScreen; - pGlxScreen->GLextensions = strdup(GLServerExtensions); - pGlxScreen->GLXvendor = strdup(GLXServerVendorName); + pGlxScreen->pScreen = pScreen; + pGlxScreen->GLextensions = strdup(GLServerExtensions); + pGlxScreen->GLXvendor = strdup(GLXServerVendorName); pGlxScreen->GLXextensions = strdup(GLXServerExtensions); /* All GLX providers must support all of the functionality required for at @@ -343,22 +340,22 @@ void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen) * most providers, the screen-probe routine is the caller of this * function. */ - pGlxScreen->GLXmajor = 1; - pGlxScreen->GLXminor = 2; + pGlxScreen->GLXmajor = 1; + pGlxScreen->GLXminor = 2; pGlxScreen->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = glxCloseScreen; i = 0; for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) { - m->fbconfigID = FakeClientID(0); - m->visualID = 0; - i++; + m->fbconfigID = FakeClientID(0); + m->visualID = 0; + i++; } pGlxScreen->numFBConfigs = i; pGlxScreen->visuals = - calloc(pGlxScreen->numFBConfigs, sizeof (__GLXconfig *)); + calloc(pGlxScreen->numFBConfigs, sizeof(__GLXconfig *)); /* First, try to choose featureful FBconfigs for the existing X visuals. * Note that if multiple X visuals end up with the same FBconfig being @@ -366,62 +363,63 @@ void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen) * prioritize the root visual being GLX). */ for (i = 0; i < pScreen->numVisuals; i++) { - VisualPtr visual = &pScreen->visuals[i]; + VisualPtr visual = &pScreen->visuals[i]; - config = pickFBConfig(pGlxScreen, visual); - if (config) { - pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; - config->visualID = visual->vid; - } + config = pickFBConfig(pGlxScreen, visual); + if (config) { + pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; + config->visualID = visual->vid; + } } /* Then, add new visuals corresponding to all FBconfigs that didn't have * an existing, appropriate visual. */ for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) { - int depth; - - VisualPtr visual; - - if (config->visualID != 0) - continue; - - /* Only count RGB bits and not alpha, as we're not trying to create - * visuals for compositing (that's what the 32-bit composite visual - * set up above is for. - */ - depth = config->redBits + config->greenBits + config->blueBits; - - /* Make sure that our FBconfig's depth can actually be displayed - * (corresponds to an existing visual). - */ - for (i = 0; i < pScreen->numVisuals; i++) { - if (depth == pScreen->visuals[i].nplanes) - break; - } - /* if it can't, fix up the fbconfig to not advertise window support */ - if (i == pScreen->numVisuals) - config->drawableType &= ~(GLX_WINDOW_BIT); - - /* fbconfig must support window drawables */ - if (!(config->drawableType & GLX_WINDOW_BIT)) { - config->visualID = 0; - continue; - } - - /* Create a new X visual for our FBconfig. */ - visual = AddScreenVisuals(pScreen, 1, depth); - if (visual == NULL) - continue; - - pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; - initGlxVisual(visual, config); + int depth; + + VisualPtr visual; + + if (config->visualID != 0) + continue; + + /* Only count RGB bits and not alpha, as we're not trying to create + * visuals for compositing (that's what the 32-bit composite visual + * set up above is for. + */ + depth = config->redBits + config->greenBits + config->blueBits; + + /* Make sure that our FBconfig's depth can actually be displayed + * (corresponds to an existing visual). + */ + for (i = 0; i < pScreen->numVisuals; i++) { + if (depth == pScreen->visuals[i].nplanes) + break; + } + /* if it can't, fix up the fbconfig to not advertise window support */ + if (i == pScreen->numVisuals) + config->drawableType &= ~(GLX_WINDOW_BIT); + + /* fbconfig must support window drawables */ + if (!(config->drawableType & GLX_WINDOW_BIT)) { + config->visualID = 0; + continue; + } + + /* Create a new X visual for our FBconfig. */ + visual = AddScreenVisuals(pScreen, 1, depth); + if (visual == NULL) + continue; + + pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; + initGlxVisual(visual, config); } dixSetPrivate(&pScreen->devPrivates, glxScreenPrivateKey, pGlxScreen); } -void __glXScreenDestroy(__GLXscreen *screen) +void +__glXScreenDestroy(__GLXscreen * screen) { free(screen->GLXvendor); free(screen->GLXextensions); |