| 0,0 → 1,434 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2009, VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| /* |
| * Author: Keith Whitwell <keithw@vmware.com> |
| * Author: Jakob Bornecrantz <wallbraker@gmail.com> |
| */ |
| |
| #include "utils.h" |
| #include "xmlpool.h" |
| |
| #include "dri_screen.h" |
| |
| #include "util/u_inlines.h" |
| #include "pipe/p_screen.h" |
| #include "pipe/p_format.h" |
| #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */ |
| #include "state_tracker/drm_driver.h" |
| |
| #include "util/u_debug.h" |
| #include "util/u_format_s3tc.h" |
| |
| #define MSAA_VISUAL_MAX_SAMPLES 32 |
| |
| #undef false |
| |
| PUBLIC const char __driConfigOptions[] = |
| DRI_CONF_BEGIN |
| DRI_CONF_SECTION_QUALITY |
| DRI_CONF_FORCE_S3TC_ENABLE("false") |
| DRI_CONF_PP_CELSHADE(0) |
| DRI_CONF_PP_NORED(0) |
| DRI_CONF_PP_NOGREEN(0) |
| DRI_CONF_PP_NOBLUE(0) |
| DRI_CONF_PP_JIMENEZMLAA(0, 0, 32) |
| DRI_CONF_PP_JIMENEZMLAA_COLOR(0, 0, 32) |
| DRI_CONF_SECTION_END |
| |
| DRI_CONF_SECTION_DEBUG |
| DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN("false") |
| DRI_CONF_DISABLE_GLSL_LINE_CONTINUATIONS("false") |
| DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED("false") |
| DRI_CONF_DISABLE_SHADER_BIT_ENCODING("false") |
| DRI_CONF_FORCE_GLSL_VERSION(0) |
| DRI_CONF_SECTION_END |
| |
| DRI_CONF_SECTION_MISCELLANEOUS |
| DRI_CONF_ALWAYS_HAVE_DEPTH_BUFFER("false") |
| DRI_CONF_SECTION_END |
| DRI_CONF_END; |
| |
| #define false 0 |
| |
| static const uint __driNConfigOptions = 13; |
| |
| static const __DRIconfig ** |
| dri_fill_in_modes(struct dri_screen *screen) |
| { |
| static const gl_format mesa_formats[3] = { |
| MESA_FORMAT_ARGB8888, |
| MESA_FORMAT_XRGB8888, |
| MESA_FORMAT_RGB565, |
| }; |
| static const enum pipe_format pipe_formats[3] = { |
| PIPE_FORMAT_BGRA8888_UNORM, |
| PIPE_FORMAT_BGRX8888_UNORM, |
| PIPE_FORMAT_B5G6R5_UNORM, |
| }; |
| gl_format format; |
| __DRIconfig **configs = NULL; |
| uint8_t depth_bits_array[5]; |
| uint8_t stencil_bits_array[5]; |
| unsigned depth_buffer_factor; |
| unsigned msaa_samples_max; |
| unsigned i; |
| struct pipe_screen *p_screen = screen->base.screen; |
| boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32; |
| |
| static const GLenum back_buffer_modes[] = { |
| GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML |
| }; |
| |
| if (driQueryOptionb(&screen->optionCache, "always_have_depth_buffer")) { |
| /* all visuals will have a depth buffer */ |
| depth_buffer_factor = 0; |
| } |
| else { |
| depth_bits_array[0] = 0; |
| stencil_bits_array[0] = 0; |
| depth_buffer_factor = 1; |
| } |
| |
| msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK) |
| ? MSAA_VISUAL_MAX_SAMPLES : 1; |
| |
| pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM, |
| PIPE_TEXTURE_2D, 0, |
| PIPE_BIND_DEPTH_STENCIL); |
| |
| if (pf_z16) { |
| depth_bits_array[depth_buffer_factor] = 16; |
| stencil_bits_array[depth_buffer_factor++] = 0; |
| } |
| if (pf_x8z24 || pf_z24x8) { |
| depth_bits_array[depth_buffer_factor] = 24; |
| stencil_bits_array[depth_buffer_factor++] = 0; |
| screen->d_depth_bits_last = pf_x8z24; |
| } |
| if (pf_s8z24 || pf_z24s8) { |
| depth_bits_array[depth_buffer_factor] = 24; |
| stencil_bits_array[depth_buffer_factor++] = 8; |
| screen->sd_depth_bits_last = pf_s8z24; |
| } |
| if (pf_z32) { |
| depth_bits_array[depth_buffer_factor] = 32; |
| stencil_bits_array[depth_buffer_factor++] = 0; |
| } |
| |
| assert(Elements(mesa_formats) == Elements(pipe_formats)); |
| |
| /* Add configs. */ |
| for (format = 0; format < Elements(mesa_formats); format++) { |
| __DRIconfig **new_configs = NULL; |
| unsigned num_msaa_modes = 0; /* includes a single-sample mode */ |
| uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES]; |
| |
| for (i = 1; i <= msaa_samples_max; i++) { |
| int samples = i > 1 ? i : 0; |
| |
| if (p_screen->is_format_supported(p_screen, pipe_formats[format], |
| PIPE_TEXTURE_2D, samples, |
| PIPE_BIND_RENDER_TARGET)) { |
| msaa_modes[num_msaa_modes++] = samples; |
| } |
| } |
| |
| if (num_msaa_modes) { |
| /* Single-sample configs with an accumulation buffer. */ |
| new_configs = driCreateConfigs(mesa_formats[format], |
| depth_bits_array, stencil_bits_array, |
| depth_buffer_factor, back_buffer_modes, |
| Elements(back_buffer_modes), |
| msaa_modes, 1, |
| GL_TRUE); |
| configs = driConcatConfigs(configs, new_configs); |
| |
| /* Multi-sample configs without an accumulation buffer. */ |
| if (num_msaa_modes > 1) { |
| new_configs = driCreateConfigs(mesa_formats[format], |
| depth_bits_array, stencil_bits_array, |
| depth_buffer_factor, back_buffer_modes, |
| Elements(back_buffer_modes), |
| msaa_modes+1, num_msaa_modes-1, |
| GL_FALSE); |
| configs = driConcatConfigs(configs, new_configs); |
| } |
| } |
| } |
| |
| if (configs == NULL) { |
| debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__); |
| return NULL; |
| } |
| |
| return (const __DRIconfig **)configs; |
| } |
| |
| /* The Gallium way to force MSAA. */ |
| DEBUG_GET_ONCE_NUM_OPTION(msaa, "GALLIUM_MSAA", 0); |
| |
| /* The NVIDIA way to force MSAA. The same variable is used by the NVIDIA |
| * driver. */ |
| DEBUG_GET_ONCE_NUM_OPTION(msaa_nv, "__GL_FSAA_MODE", 0); |
| |
| static void |
| dri_force_msaa_visual(struct st_visual *stvis, |
| struct pipe_screen *screen) |
| { |
| int i; |
| int samples = debug_get_option_msaa(); |
| |
| if (!samples) |
| samples = debug_get_option_msaa_nv(); |
| |
| if (samples <= 1) |
| return; /* nothing to do */ |
| |
| /* Choose a supported sample count greater than or equal to samples. */ |
| for (i = samples; i <= MSAA_VISUAL_MAX_SAMPLES; i++) { |
| if (screen->is_format_supported(screen, stvis->color_format, |
| PIPE_TEXTURE_2D, i, |
| PIPE_BIND_RENDER_TARGET)) { |
| stvis->samples = i; |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Roughly the converse of dri_fill_in_modes. |
| */ |
| void |
| dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen, |
| const struct gl_config *mode) |
| { |
| memset(stvis, 0, sizeof(*stvis)); |
| |
| if (!mode) |
| return; |
| |
| if (mode->redBits == 8) { |
| if (mode->alphaBits == 8) |
| stvis->color_format = PIPE_FORMAT_BGRA8888_UNORM; |
| else |
| stvis->color_format = PIPE_FORMAT_BGRX8888_UNORM; |
| } else { |
| stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM; |
| } |
| |
| if (mode->sampleBuffers) { |
| stvis->samples = mode->samples; |
| } |
| else { |
| /* This must be done after stvis->color_format is set. */ |
| dri_force_msaa_visual(stvis, screen->base.screen); |
| } |
| |
| switch (mode->depthBits) { |
| default: |
| case 0: |
| stvis->depth_stencil_format = PIPE_FORMAT_NONE; |
| break; |
| case 16: |
| stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM; |
| break; |
| case 24: |
| if (mode->stencilBits == 0) { |
| stvis->depth_stencil_format = (screen->d_depth_bits_last) ? |
| PIPE_FORMAT_Z24X8_UNORM: |
| PIPE_FORMAT_X8Z24_UNORM; |
| } else { |
| stvis->depth_stencil_format = (screen->sd_depth_bits_last) ? |
| PIPE_FORMAT_Z24_UNORM_S8_UINT: |
| PIPE_FORMAT_S8_UINT_Z24_UNORM; |
| } |
| break; |
| case 32: |
| stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM; |
| break; |
| } |
| |
| stvis->accum_format = (mode->haveAccumBuffer) ? |
| PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE; |
| |
| stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK; |
| stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT; |
| if (mode->doubleBufferMode) { |
| stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; |
| stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT; |
| } |
| if (mode->stereoMode) { |
| stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; |
| if (mode->doubleBufferMode) |
| stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; |
| } |
| |
| if (mode->haveDepthBuffer || mode->haveStencilBuffer) |
| stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK; |
| /* let the state tracker allocate the accum buffer */ |
| } |
| |
| static boolean |
| dri_get_egl_image(struct st_manager *smapi, |
| void *egl_image, |
| struct st_egl_image *stimg) |
| { |
| struct dri_screen *screen = (struct dri_screen *)smapi; |
| __DRIimage *img = NULL; |
| |
| if (screen->lookup_egl_image) { |
| img = screen->lookup_egl_image(screen, egl_image); |
| } |
| |
| if (!img) |
| return FALSE; |
| |
| stimg->texture = NULL; |
| pipe_resource_reference(&stimg->texture, img->texture); |
| stimg->level = img->level; |
| stimg->layer = img->layer; |
| |
| return TRUE; |
| } |
| |
| static int |
| dri_get_param(struct st_manager *smapi, |
| enum st_manager_param param) |
| { |
| struct dri_screen *screen = (struct dri_screen *)smapi; |
| |
| switch(param) { |
| case ST_MANAGER_BROKEN_INVALIDATE: |
| return screen->broken_invalidate; |
| default: |
| return 0; |
| } |
| } |
| |
| static void |
| dri_destroy_option_cache(struct dri_screen * screen) |
| { |
| int i; |
| |
| if (screen->optionCache.info) { |
| for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) { |
| free(screen->optionCache.info[i].name); |
| free(screen->optionCache.info[i].ranges); |
| } |
| free(screen->optionCache.info); |
| } |
| |
| free(screen->optionCache.values); |
| } |
| |
| void |
| dri_destroy_screen_helper(struct dri_screen * screen) |
| { |
| if (screen->st_api && screen->st_api->destroy) |
| screen->st_api->destroy(screen->st_api); |
| |
| if (screen->base.screen) |
| screen->base.screen->destroy(screen->base.screen); |
| |
| dri_destroy_option_cache(screen); |
| } |
| |
| void |
| dri_destroy_screen(__DRIscreen * sPriv) |
| { |
| struct dri_screen *screen = dri_screen(sPriv); |
| |
| dri_destroy_screen_helper(screen); |
| |
| free(screen); |
| sPriv->driverPrivate = NULL; |
| sPriv->extensions = NULL; |
| } |
| |
| const __DRIconfig ** |
| dri_init_screen_helper(struct dri_screen *screen, |
| struct pipe_screen *pscreen) |
| { |
| screen->base.screen = pscreen; |
| if (!screen->base.screen) { |
| debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__); |
| return NULL; |
| } |
| |
| screen->base.get_egl_image = dri_get_egl_image; |
| screen->base.get_param = dri_get_param; |
| |
| screen->st_api = st_gl_api_create(); |
| if (!screen->st_api) |
| return NULL; |
| |
| if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES)) |
| screen->target = PIPE_TEXTURE_2D; |
| else |
| screen->target = PIPE_TEXTURE_RECT; |
| |
| driParseOptionInfo(&screen->optionCacheDefaults, |
| __driConfigOptions, __driNConfigOptions); |
| |
| driParseConfigFiles(&screen->optionCache, |
| &screen->optionCacheDefaults, |
| screen->sPriv->myNum, |
| driver_descriptor.name); |
| |
| /* Handle force_s3tc_enable. */ |
| if (!util_format_s3tc_enabled && |
| driQueryOptionb(&screen->optionCache, "force_s3tc_enable")) { |
| /* Ensure libtxc_dxtn has been loaded if available. |
| * Forcing S3TC on before calling this would prevent loading |
| * the library. |
| * This is just a precaution, the driver should have called it |
| * already. |
| */ |
| util_format_s3tc_init(); |
| |
| util_format_s3tc_enabled = TRUE; |
| } |
| |
| return dri_fill_in_modes(screen); |
| } |
| |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |