| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_context.c |
|---|
| 0,0 → 1,286 |
| /************************************************************************** |
| * |
| * 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 "dri_screen.h" |
| #include "dri_drawable.h" |
| #include "dri_context.h" |
| #include "state_tracker/drm_driver.h" |
| #include "pipe/p_context.h" |
| #include "state_tracker/st_context.h" |
| static void |
| dri_pp_query(struct dri_context *ctx) |
| { |
| unsigned int i; |
| for (i = 0; i < PP_FILTERS; i++) { |
| ctx->pp_enabled[i] = driQueryOptioni(&ctx->optionCache, pp_filters[i].name); |
| } |
| } |
| static void dri_fill_st_options(struct st_config_options *options, |
| const struct driOptionCache * optionCache) |
| { |
| options->disable_blend_func_extended = |
| driQueryOptionb(optionCache, "disable_blend_func_extended"); |
| options->disable_glsl_line_continuations = |
| driQueryOptionb(optionCache, "disable_glsl_line_continuations"); |
| options->disable_shader_bit_encoding = |
| driQueryOptionb(optionCache, "disable_shader_bit_encoding"); |
| options->force_glsl_extensions_warn = |
| driQueryOptionb(optionCache, "force_glsl_extensions_warn"); |
| options->force_glsl_version = |
| driQueryOptioni(optionCache, "force_glsl_version"); |
| options->force_s3tc_enable = |
| driQueryOptionb(optionCache, "force_s3tc_enable"); |
| } |
| GLboolean |
| dri_create_context(gl_api api, const struct gl_config * visual, |
| __DRIcontext * cPriv, |
| unsigned major_version, |
| unsigned minor_version, |
| uint32_t flags, |
| unsigned *error, |
| void *sharedContextPrivate) |
| { |
| __DRIscreen *sPriv = cPriv->driScreenPriv; |
| struct dri_screen *screen = dri_screen(sPriv); |
| struct st_api *stapi = screen->st_api; |
| struct dri_context *ctx = NULL; |
| struct st_context_iface *st_share = NULL; |
| struct st_context_attribs attribs; |
| enum st_context_error ctx_err = 0; |
| memset(&attribs, 0, sizeof(attribs)); |
| switch (api) { |
| case API_OPENGLES: |
| attribs.profile = ST_PROFILE_OPENGL_ES1; |
| break; |
| case API_OPENGLES2: |
| attribs.profile = ST_PROFILE_OPENGL_ES2; |
| break; |
| case API_OPENGL_COMPAT: |
| case API_OPENGL_CORE: |
| attribs.profile = api == API_OPENGL_COMPAT ? ST_PROFILE_DEFAULT |
| : ST_PROFILE_OPENGL_CORE; |
| attribs.major = major_version; |
| attribs.minor = minor_version; |
| if ((flags & __DRI_CTX_FLAG_DEBUG) != 0) |
| attribs.flags |= ST_CONTEXT_FLAG_DEBUG; |
| if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0) |
| attribs.flags |= ST_CONTEXT_FLAG_FORWARD_COMPATIBLE; |
| break; |
| default: |
| *error = __DRI_CTX_ERROR_BAD_API; |
| goto fail; |
| } |
| if (sharedContextPrivate) { |
| st_share = ((struct dri_context *)sharedContextPrivate)->st; |
| } |
| ctx = CALLOC_STRUCT(dri_context); |
| if (ctx == NULL) { |
| *error = __DRI_CTX_ERROR_NO_MEMORY; |
| goto fail; |
| } |
| cPriv->driverPrivate = ctx; |
| ctx->cPriv = cPriv; |
| ctx->sPriv = sPriv; |
| driParseConfigFiles(&ctx->optionCache, |
| &screen->optionCacheDefaults, |
| sPriv->myNum, driver_descriptor.name); |
| dri_fill_st_options(&attribs.options, &ctx->optionCache); |
| dri_fill_st_visual(&attribs.visual, screen, visual); |
| ctx->st = stapi->create_context(stapi, &screen->base, &attribs, &ctx_err, |
| st_share); |
| if (ctx->st == NULL) { |
| switch (ctx_err) { |
| case ST_CONTEXT_SUCCESS: |
| *error = __DRI_CTX_ERROR_SUCCESS; |
| break; |
| case ST_CONTEXT_ERROR_NO_MEMORY: |
| *error = __DRI_CTX_ERROR_NO_MEMORY; |
| break; |
| case ST_CONTEXT_ERROR_BAD_API: |
| *error = __DRI_CTX_ERROR_BAD_API; |
| break; |
| case ST_CONTEXT_ERROR_BAD_VERSION: |
| *error = __DRI_CTX_ERROR_BAD_VERSION; |
| break; |
| case ST_CONTEXT_ERROR_BAD_FLAG: |
| *error = __DRI_CTX_ERROR_BAD_FLAG; |
| break; |
| case ST_CONTEXT_ERROR_UNKNOWN_ATTRIBUTE: |
| *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; |
| break; |
| case ST_CONTEXT_ERROR_UNKNOWN_FLAG: |
| *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; |
| break; |
| } |
| goto fail; |
| } |
| ctx->st->st_manager_private = (void *) ctx; |
| ctx->stapi = stapi; |
| // Context successfully created. See if post-processing is requested. |
| dri_pp_query(ctx); |
| if (ctx->st->cso_context) { |
| ctx->pp = pp_init(ctx->st->pipe, ctx->pp_enabled, ctx->st->cso_context); |
| ctx->hud = hud_create(ctx->st->pipe, ctx->st->cso_context); |
| } |
| *error = __DRI_CTX_ERROR_SUCCESS; |
| return GL_TRUE; |
| fail: |
| if (ctx && ctx->st) |
| ctx->st->destroy(ctx->st); |
| free(ctx); |
| return GL_FALSE; |
| } |
| void |
| dri_destroy_context(__DRIcontext * cPriv) |
| { |
| struct dri_context *ctx = dri_context(cPriv); |
| if (ctx->hud) { |
| hud_destroy(ctx->hud); |
| } |
| /* note: we are freeing values and nothing more because |
| * driParseConfigFiles allocated values only - the rest |
| * is owned by screen optionCacheDefaults. |
| */ |
| free(ctx->optionCache.values); |
| /* No particular reason to wait for command completion before |
| * destroying a context, but we flush the context here |
| * to avoid having to add code elsewhere to cope with flushing a |
| * partially destroyed context. |
| */ |
| ctx->st->flush(ctx->st, 0, NULL); |
| ctx->st->destroy(ctx->st); |
| if (ctx->pp) pp_free(ctx->pp); |
| free(ctx); |
| } |
| GLboolean |
| dri_unbind_context(__DRIcontext * cPriv) |
| { |
| /* dri_util.c ensures cPriv is not null */ |
| struct dri_screen *screen = dri_screen(cPriv->driScreenPriv); |
| struct dri_context *ctx = dri_context(cPriv); |
| struct st_api *stapi = screen->st_api; |
| if (--ctx->bind_count == 0) { |
| if (ctx->st == ctx->stapi->get_current(ctx->stapi)) { |
| /* For conformance, unbind is supposed to flush the context. |
| * However, if we do it here we might end up flushing a partially |
| * destroyed context. Instead, we flush in dri_make_current and |
| * in dri_destroy_context which should cover all the cases. |
| */ |
| stapi->make_current(stapi, NULL, NULL, NULL); |
| } |
| } |
| return GL_TRUE; |
| } |
| GLboolean |
| dri_make_current(__DRIcontext * cPriv, |
| __DRIdrawable * driDrawPriv, |
| __DRIdrawable * driReadPriv) |
| { |
| /* dri_util.c ensures cPriv is not null */ |
| struct dri_context *ctx = dri_context(cPriv); |
| struct dri_drawable *draw = dri_drawable(driDrawPriv); |
| struct dri_drawable *read = dri_drawable(driReadPriv); |
| struct st_context_iface *old_st = ctx->stapi->get_current(ctx->stapi); |
| /* Flush the old context here so we don't have to flush on unbind() */ |
| if (old_st && old_st != ctx->st) |
| old_st->flush(old_st, ST_FLUSH_FRONT, NULL); |
| ++ctx->bind_count; |
| if (!driDrawPriv && !driReadPriv) |
| return ctx->stapi->make_current(ctx->stapi, ctx->st, NULL, NULL); |
| else if (!driDrawPriv || !driReadPriv) |
| return GL_FALSE; |
| if (ctx->dPriv != driDrawPriv) { |
| ctx->dPriv = driDrawPriv; |
| draw->texture_stamp = driDrawPriv->lastStamp - 1; |
| } |
| if (ctx->rPriv != driReadPriv) { |
| ctx->rPriv = driReadPriv; |
| read->texture_stamp = driReadPriv->lastStamp - 1; |
| } |
| ctx->stapi->make_current(ctx->stapi, ctx->st, &draw->base, &read->base); |
| // This is ok to call here. If they are already init, it's a no-op. |
| if (draw->textures[ST_ATTACHMENT_BACK_LEFT] && draw->textures[ST_ATTACHMENT_DEPTH_STENCIL] |
| && ctx->pp) |
| pp_init_fbos(ctx->pp, draw->textures[ST_ATTACHMENT_BACK_LEFT]->width0, |
| draw->textures[ST_ATTACHMENT_BACK_LEFT]->height0); |
| return GL_TRUE; |
| } |
| struct dri_context * |
| dri_get_current(__DRIscreen *sPriv) |
| { |
| struct dri_screen *screen = dri_screen(sPriv); |
| struct st_api *stapi = screen->st_api; |
| struct st_context_iface *st; |
| st = stapi->get_current(stapi); |
| return (struct dri_context *) (st) ? st->st_manager_private : NULL; |
| } |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |
| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_context.h |
|---|
| 0,0 → 1,101 |
| /************************************************************************** |
| * |
| * Copyright (C) 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> |
| */ |
| #ifndef DRI_CONTEXT_H |
| #define DRI_CONTEXT_H |
| #include "dri_util.h" |
| #include "pipe/p_compiler.h" |
| #include "postprocess/filters.h" |
| #include "hud/hud_context.h" |
| struct pipe_context; |
| struct pipe_fence; |
| struct st_api; |
| struct st_context_iface; |
| struct dri_drawable; |
| struct dri_context |
| { |
| /* dri */ |
| __DRIscreen *sPriv; |
| __DRIcontext *cPriv; |
| __DRIdrawable *dPriv; |
| __DRIdrawable *rPriv; |
| driOptionCache optionCache; |
| unsigned int bind_count; |
| /* gallium */ |
| struct st_api *stapi; |
| struct st_context_iface *st; |
| struct pp_queue_t *pp; |
| unsigned int pp_enabled[PP_FILTERS]; |
| struct hud_context *hud; |
| }; |
| static INLINE struct dri_context * |
| dri_context(__DRIcontext * driContextPriv) |
| { |
| if (!driContextPriv) |
| return NULL; |
| return (struct dri_context *)driContextPriv->driverPrivate; |
| } |
| /*********************************************************************** |
| * dri_context.c |
| */ |
| void dri_destroy_context(__DRIcontext * driContextPriv); |
| boolean dri_unbind_context(__DRIcontext * driContextPriv); |
| boolean |
| dri_make_current(__DRIcontext * driContextPriv, |
| __DRIdrawable * driDrawPriv, |
| __DRIdrawable * driReadPriv); |
| struct dri_context * |
| dri_get_current(__DRIscreen * driScreenPriv); |
| boolean |
| dri_create_context(gl_api api, |
| const struct gl_config * visual, |
| __DRIcontext * driContextPriv, |
| unsigned major_version, |
| unsigned minor_version, |
| uint32_t flags, |
| unsigned *error, |
| void *sharedContextPrivate); |
| #endif |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |
| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_drawable.c |
|---|
| 0,0 → 1,544 |
| /************************************************************************** |
| * |
| * 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 "dri_screen.h" |
| #include "dri_context.h" |
| #include "dri_drawable.h" |
| #include "pipe/p_screen.h" |
| #include "util/u_format.h" |
| #include "util/u_memory.h" |
| #include "util/u_inlines.h" |
| static void |
| swap_fences_unref(struct dri_drawable *draw); |
| static boolean |
| dri_st_framebuffer_validate(struct st_context_iface *stctx, |
| struct st_framebuffer_iface *stfbi, |
| const enum st_attachment_type *statts, |
| unsigned count, |
| struct pipe_resource **out) |
| { |
| struct dri_context *ctx = (struct dri_context *)stctx->st_manager_private; |
| struct dri_drawable *drawable = |
| (struct dri_drawable *) stfbi->st_manager_private; |
| struct dri_screen *screen = dri_screen(drawable->sPriv); |
| unsigned statt_mask, new_mask; |
| boolean new_stamp; |
| int i; |
| unsigned int lastStamp; |
| struct pipe_resource **textures = |
| drawable->stvis.samples > 1 ? drawable->msaa_textures |
| : drawable->textures; |
| statt_mask = 0x0; |
| for (i = 0; i < count; i++) |
| statt_mask |= (1 << statts[i]); |
| /* record newly allocated textures */ |
| new_mask = (statt_mask & ~drawable->texture_mask); |
| /* |
| * dPriv->dri2.stamp is the server stamp. dPriv->lastStamp is the |
| * client stamp. It has the value of the server stamp when last |
| * checked. |
| */ |
| do { |
| lastStamp = drawable->dPriv->lastStamp; |
| new_stamp = (drawable->texture_stamp != lastStamp); |
| if (new_stamp || new_mask || screen->broken_invalidate) { |
| if (new_stamp && drawable->update_drawable_info) |
| drawable->update_drawable_info(drawable); |
| drawable->allocate_textures(ctx, drawable, statts, count); |
| /* add existing textures */ |
| for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { |
| if (textures[i]) |
| statt_mask |= (1 << i); |
| } |
| drawable->texture_stamp = lastStamp; |
| drawable->texture_mask = statt_mask; |
| } |
| } while (lastStamp != drawable->dPriv->lastStamp); |
| if (!out) |
| return TRUE; |
| /* Set the window-system buffers for the state tracker. */ |
| for (i = 0; i < count; i++) { |
| out[i] = NULL; |
| pipe_resource_reference(&out[i], textures[statts[i]]); |
| } |
| return TRUE; |
| } |
| static boolean |
| dri_st_framebuffer_flush_front(struct st_context_iface *stctx, |
| struct st_framebuffer_iface *stfbi, |
| enum st_attachment_type statt) |
| { |
| struct dri_context *ctx = (struct dri_context *)stctx->st_manager_private; |
| struct dri_drawable *drawable = |
| (struct dri_drawable *) stfbi->st_manager_private; |
| /* XXX remove this and just set the correct one on the framebuffer */ |
| drawable->flush_frontbuffer(ctx, drawable, statt); |
| return TRUE; |
| } |
| /** |
| * This is called when we need to set up GL rendering to a new X window. |
| */ |
| boolean |
| dri_create_buffer(__DRIscreen * sPriv, |
| __DRIdrawable * dPriv, |
| const struct gl_config * visual, boolean isPixmap) |
| { |
| struct dri_screen *screen = sPriv->driverPrivate; |
| struct dri_drawable *drawable = NULL; |
| if (isPixmap) |
| goto fail; /* not implemented */ |
| drawable = CALLOC_STRUCT(dri_drawable); |
| if (drawable == NULL) |
| goto fail; |
| dri_fill_st_visual(&drawable->stvis, screen, visual); |
| /* setup the st_framebuffer_iface */ |
| drawable->base.visual = &drawable->stvis; |
| drawable->base.flush_front = dri_st_framebuffer_flush_front; |
| drawable->base.validate = dri_st_framebuffer_validate; |
| drawable->base.st_manager_private = (void *) drawable; |
| drawable->screen = screen; |
| drawable->sPriv = sPriv; |
| drawable->dPriv = dPriv; |
| drawable->desired_fences = screen->default_throttle_frames; |
| if (drawable->desired_fences > DRI_SWAP_FENCES_MAX) |
| drawable->desired_fences = DRI_SWAP_FENCES_MAX; |
| dPriv->driverPrivate = (void *)drawable; |
| p_atomic_set(&drawable->base.stamp, 1); |
| return GL_TRUE; |
| fail: |
| FREE(drawable); |
| return GL_FALSE; |
| } |
| void |
| dri_destroy_buffer(__DRIdrawable * dPriv) |
| { |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| int i; |
| pipe_surface_reference(&drawable->drisw_surface, NULL); |
| for (i = 0; i < ST_ATTACHMENT_COUNT; i++) |
| pipe_resource_reference(&drawable->textures[i], NULL); |
| for (i = 0; i < ST_ATTACHMENT_COUNT; i++) |
| pipe_resource_reference(&drawable->msaa_textures[i], NULL); |
| swap_fences_unref(drawable); |
| FREE(drawable); |
| } |
| /** |
| * Validate the texture at an attachment. Allocate the texture if it does not |
| * exist. Used by the TFP extension. |
| */ |
| static void |
| dri_drawable_validate_att(struct dri_context *ctx, |
| struct dri_drawable *drawable, |
| enum st_attachment_type statt) |
| { |
| enum st_attachment_type statts[ST_ATTACHMENT_COUNT]; |
| unsigned i, count = 0; |
| /* check if buffer already exists */ |
| if (drawable->texture_mask & (1 << statt)) |
| return; |
| /* make sure DRI2 does not destroy existing buffers */ |
| for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { |
| if (drawable->texture_mask & (1 << i)) { |
| statts[count++] = i; |
| } |
| } |
| statts[count++] = statt; |
| drawable->texture_stamp = drawable->dPriv->lastStamp - 1; |
| drawable->base.validate(ctx->st, &drawable->base, statts, count, NULL); |
| } |
| /** |
| * These are used for GLX_EXT_texture_from_pixmap |
| */ |
| static void |
| dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target, |
| GLint format, __DRIdrawable *dPriv) |
| { |
| struct dri_context *ctx = dri_context(pDRICtx); |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| struct pipe_resource *pt; |
| dri_drawable_validate_att(ctx, drawable, ST_ATTACHMENT_FRONT_LEFT); |
| /* Use the pipe resource associated with the X drawable */ |
| pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT]; |
| if (pt) { |
| enum pipe_format internal_format = pt->format; |
| if (format == __DRI_TEXTURE_FORMAT_RGB) { |
| /* only need to cover the formats recognized by dri_fill_st_visual */ |
| switch (internal_format) { |
| case PIPE_FORMAT_B8G8R8A8_UNORM: |
| internal_format = PIPE_FORMAT_B8G8R8X8_UNORM; |
| break; |
| case PIPE_FORMAT_A8R8G8B8_UNORM: |
| internal_format = PIPE_FORMAT_X8R8G8B8_UNORM; |
| break; |
| default: |
| break; |
| } |
| } |
| drawable->update_tex_buffer(drawable, ctx, pt); |
| ctx->st->teximage(ctx->st, |
| (target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT, |
| 0, internal_format, pt, FALSE); |
| } |
| } |
| static void |
| dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target, |
| __DRIdrawable *dPriv) |
| { |
| dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv); |
| } |
| const __DRItexBufferExtension driTexBufferExtension = { |
| { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, |
| dri_set_tex_buffer, |
| dri_set_tex_buffer2, |
| NULL, |
| }; |
| /** |
| * Get the format and binding of an attachment. |
| */ |
| void |
| dri_drawable_get_format(struct dri_drawable *drawable, |
| enum st_attachment_type statt, |
| enum pipe_format *format, |
| unsigned *bind) |
| { |
| switch (statt) { |
| case ST_ATTACHMENT_FRONT_LEFT: |
| case ST_ATTACHMENT_BACK_LEFT: |
| case ST_ATTACHMENT_FRONT_RIGHT: |
| case ST_ATTACHMENT_BACK_RIGHT: |
| *format = drawable->stvis.color_format; |
| *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; |
| break; |
| case ST_ATTACHMENT_DEPTH_STENCIL: |
| *format = drawable->stvis.depth_stencil_format; |
| *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ |
| break; |
| default: |
| *format = PIPE_FORMAT_NONE; |
| *bind = 0; |
| break; |
| } |
| } |
| /** |
| * swap_fences_pop_front - pull a fence from the throttle queue |
| * |
| * If the throttle queue is filled to the desired number of fences, |
| * pull fences off the queue until the number is less than the desired |
| * number of fences, and return the last fence pulled. |
| */ |
| static struct pipe_fence_handle * |
| swap_fences_pop_front(struct dri_drawable *draw) |
| { |
| struct pipe_screen *screen = draw->screen->base.screen; |
| struct pipe_fence_handle *fence = NULL; |
| if (draw->desired_fences == 0) |
| return NULL; |
| if (draw->cur_fences >= draw->desired_fences) { |
| screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]); |
| screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL); |
| draw->tail &= DRI_SWAP_FENCES_MASK; |
| --draw->cur_fences; |
| } |
| return fence; |
| } |
| /** |
| * swap_fences_push_back - push a fence onto the throttle queue |
| * |
| * push a fence onto the throttle queue and pull fences of the queue |
| * so that the desired number of fences are on the queue. |
| */ |
| static void |
| swap_fences_push_back(struct dri_drawable *draw, |
| struct pipe_fence_handle *fence) |
| { |
| struct pipe_screen *screen = draw->screen->base.screen; |
| if (!fence || draw->desired_fences == 0) |
| return; |
| while(draw->cur_fences == draw->desired_fences) |
| swap_fences_pop_front(draw); |
| draw->cur_fences++; |
| screen->fence_reference(screen, &draw->swap_fences[draw->head++], |
| fence); |
| draw->head &= DRI_SWAP_FENCES_MASK; |
| } |
| /** |
| * swap_fences_unref - empty the throttle queue |
| * |
| * pulls fences of the throttle queue until it is empty. |
| */ |
| static void |
| swap_fences_unref(struct dri_drawable *draw) |
| { |
| struct pipe_screen *screen = draw->screen->base.screen; |
| while(draw->cur_fences) { |
| screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL); |
| draw->tail &= DRI_SWAP_FENCES_MASK; |
| --draw->cur_fences; |
| } |
| } |
| void |
| dri_pipe_blit(struct pipe_context *pipe, |
| struct pipe_resource *dst, |
| struct pipe_resource *src) |
| { |
| struct pipe_blit_info blit; |
| if (!dst || !src) |
| return; |
| memset(&blit, 0, sizeof(blit)); |
| blit.dst.resource = dst; |
| blit.dst.box.width = dst->width0; |
| blit.dst.box.height = dst->height0; |
| blit.dst.box.depth = 1; |
| blit.dst.format = util_format_linear(dst->format); |
| blit.src.resource = src; |
| blit.src.box.width = src->width0; |
| blit.src.box.height = src->height0; |
| blit.src.box.depth = 1; |
| blit.src.format = util_format_linear(src->format); |
| blit.mask = PIPE_MASK_RGBA; |
| blit.filter = PIPE_TEX_FILTER_NEAREST; |
| pipe->blit(pipe, &blit); |
| } |
| static void |
| dri_postprocessing(struct dri_context *ctx, |
| struct dri_drawable *drawable, |
| enum st_attachment_type att) |
| { |
| struct pipe_resource *src = drawable->textures[att]; |
| struct pipe_resource *zsbuf = drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]; |
| if (ctx->pp && src && zsbuf) |
| pp_run(ctx->pp, src, src, zsbuf); |
| } |
| /** |
| * DRI2 flush extension, the flush_with_flags function. |
| * |
| * \param context the context |
| * \param drawable the drawable to flush |
| * \param flags a combination of _DRI2_FLUSH_xxx flags |
| * \param throttle_reason the reason for throttling, 0 = no throttling |
| */ |
| void |
| dri_flush(__DRIcontext *cPriv, |
| __DRIdrawable *dPriv, |
| unsigned flags, |
| enum __DRI2throttleReason reason) |
| { |
| struct dri_context *ctx = dri_context(cPriv); |
| struct dri_drawable *drawable = dri_drawable(dPriv); |
| unsigned flush_flags; |
| boolean swap_msaa_buffers = FALSE; |
| if (!ctx) { |
| assert(0); |
| return; |
| } |
| if (drawable) { |
| /* prevent recursion */ |
| if (drawable->flushing) |
| return; |
| drawable->flushing = TRUE; |
| } |
| else { |
| flags &= ~__DRI2_FLUSH_DRAWABLE; |
| } |
| /* Flush the drawable. */ |
| if ((flags & __DRI2_FLUSH_DRAWABLE) && |
| drawable->textures[ST_ATTACHMENT_BACK_LEFT]) { |
| if (drawable->stvis.samples > 1 && |
| reason == __DRI2_THROTTLE_SWAPBUFFER) { |
| /* Resolve the MSAA back buffer. */ |
| dri_pipe_blit(ctx->st->pipe, |
| drawable->textures[ST_ATTACHMENT_BACK_LEFT], |
| drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]); |
| if (drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT] && |
| drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]) { |
| swap_msaa_buffers = TRUE; |
| } |
| /* FRONT_LEFT is resolved in drawable->flush_frontbuffer. */ |
| } |
| dri_postprocessing(ctx, drawable, ST_ATTACHMENT_BACK_LEFT); |
| if (ctx->hud) { |
| hud_draw(ctx->hud, drawable->textures[ST_ATTACHMENT_BACK_LEFT]); |
| } |
| } |
| flush_flags = 0; |
| if (flags & __DRI2_FLUSH_CONTEXT) |
| flush_flags |= ST_FLUSH_FRONT; |
| if (reason == __DRI2_THROTTLE_SWAPBUFFER) |
| flush_flags |= ST_FLUSH_END_OF_FRAME; |
| /* Flush the context and throttle if needed. */ |
| if (dri_screen(ctx->sPriv)->throttling_enabled && |
| drawable && |
| (reason == __DRI2_THROTTLE_SWAPBUFFER || |
| reason == __DRI2_THROTTLE_FLUSHFRONT)) { |
| /* Throttle. |
| * |
| * This pulls a fence off the throttling queue and waits for it if the |
| * number of fences on the throttling queue has reached the desired |
| * number. |
| * |
| * Then flushes to insert a fence at the current rendering position, and |
| * pushes that fence on the queue. This requires that the st_context_iface |
| * flush method returns a fence even if there are no commands to flush. |
| */ |
| struct pipe_screen *screen = drawable->screen->base.screen; |
| struct pipe_fence_handle *fence; |
| fence = swap_fences_pop_front(drawable); |
| if (fence) { |
| (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE); |
| screen->fence_reference(screen, &fence, NULL); |
| } |
| ctx->st->flush(ctx->st, flush_flags, &fence); |
| if (fence) { |
| swap_fences_push_back(drawable, fence); |
| screen->fence_reference(screen, &fence, NULL); |
| } |
| } |
| else if (flags & (__DRI2_FLUSH_DRAWABLE | __DRI2_FLUSH_CONTEXT)) { |
| ctx->st->flush(ctx->st, flush_flags, NULL); |
| } |
| if (drawable) { |
| drawable->flushing = FALSE; |
| } |
| /* Swap the MSAA front and back buffers, so that reading |
| * from the front buffer after SwapBuffers returns what was |
| * in the back buffer. |
| */ |
| if (swap_msaa_buffers) { |
| struct pipe_resource *tmp = |
| drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]; |
| drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT] = |
| drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]; |
| drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT] = tmp; |
| /* Now that we have swapped the buffers, this tells the state |
| * tracker to revalidate the framebuffer. |
| */ |
| p_atomic_inc(&drawable->base.stamp); |
| } |
| } |
| /** |
| * dri_throttle - A DRI2ThrottleExtension throttling function. |
| */ |
| static void |
| dri_throttle(__DRIcontext *cPriv, __DRIdrawable *dPriv, |
| enum __DRI2throttleReason reason) |
| { |
| dri_flush(cPriv, dPriv, 0, reason); |
| } |
| const __DRI2throttleExtension dri2ThrottleExtension = { |
| .base = { __DRI2_THROTTLE, __DRI2_THROTTLE_VERSION }, |
| .throttle = dri_throttle, |
| }; |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |
| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_drawable.h |
|---|
| 0,0 → 1,128 |
| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| #ifndef DRI_DRAWABLE_H |
| #define DRI_DRAWABLE_H |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_format.h" |
| #include "state_tracker/st_api.h" |
| struct pipe_surface; |
| struct st_framebuffer; |
| struct dri_context; |
| #define DRI_SWAP_FENCES_MAX 4 |
| #define DRI_SWAP_FENCES_MASK 3 |
| #define DRI_SWAP_FENCES_DEFAULT 1 |
| struct dri_drawable |
| { |
| struct st_framebuffer_iface base; |
| struct st_visual stvis; |
| struct dri_screen *screen; |
| /* dri */ |
| __DRIdrawable *dPriv; |
| __DRIscreen *sPriv; |
| __DRIbuffer old[8]; |
| unsigned old_num; |
| unsigned old_w; |
| unsigned old_h; |
| struct pipe_resource *textures[ST_ATTACHMENT_COUNT]; |
| struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT]; |
| unsigned int texture_mask, texture_stamp; |
| struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX]; |
| unsigned int cur_fences; |
| unsigned int head; |
| unsigned int tail; |
| unsigned int desired_fences; |
| boolean flushing; /* prevents recursion in dri_flush */ |
| /* used only by DRISW */ |
| struct pipe_surface *drisw_surface; |
| /* hooks filled in by dri2 & drisw */ |
| void (*allocate_textures)(struct dri_context *ctx, |
| struct dri_drawable *drawable, |
| const enum st_attachment_type *statts, |
| unsigned count); |
| void (*update_drawable_info)(struct dri_drawable *drawable); |
| void (*flush_frontbuffer)(struct dri_context *ctx, |
| struct dri_drawable *drawable, |
| enum st_attachment_type statt); |
| void (*update_tex_buffer)(struct dri_drawable *drawable, |
| struct dri_context *ctx, |
| struct pipe_resource *res); |
| }; |
| static INLINE struct dri_drawable * |
| dri_drawable(__DRIdrawable * driDrawPriv) |
| { |
| return (struct dri_drawable *) (driDrawPriv) |
| ? driDrawPriv->driverPrivate : NULL; |
| } |
| /*********************************************************************** |
| * dri_drawable.c |
| */ |
| boolean |
| dri_create_buffer(__DRIscreen * sPriv, |
| __DRIdrawable * dPriv, |
| const struct gl_config * visual, boolean isPixmap); |
| void dri_destroy_buffer(__DRIdrawable * dPriv); |
| void |
| dri_drawable_get_format(struct dri_drawable *drawable, |
| enum st_attachment_type statt, |
| enum pipe_format *format, |
| unsigned *bind); |
| void |
| dri_pipe_blit(struct pipe_context *pipe, |
| struct pipe_resource *dst, |
| struct pipe_resource *src); |
| void |
| dri_flush(__DRIcontext *cPriv, |
| __DRIdrawable *dPriv, |
| unsigned flags, |
| enum __DRI2throttleReason reason); |
| extern const __DRItexBufferExtension driTexBufferExtension; |
| extern const __DRI2throttleExtension dri2ThrottleExtension; |
| #endif |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |
| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_screen.c |
|---|
| 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: */ |
| /contrib/sdk/sources/Mesa/mesa-9.2.5/src/gallium/state_trackers/dri/common/dri_screen.h |
|---|
| 0,0 → 1,134 |
| /************************************************************************** |
| * |
| * 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> |
| */ |
| #ifndef DRI_SCREEN_H |
| #define DRI_SCREEN_H |
| #include "dri_util.h" |
| #include "xmlconfig.h" |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| #include "state_tracker/st_api.h" |
| struct dri_context; |
| struct dri_drawable; |
| struct dri_screen |
| { |
| /* st_api */ |
| struct st_manager base; |
| struct st_api *st_api; |
| /* on old libGL's invalidate doesn't get called as it should */ |
| boolean broken_invalidate; |
| /* dri */ |
| __DRIscreen *sPriv; |
| boolean throttling_enabled; |
| int default_throttle_frames; |
| /** Configuration cache with default values for all contexts */ |
| driOptionCache optionCacheDefaults; |
| /** The screen's effective configuration options */ |
| driOptionCache optionCache; |
| /* drm */ |
| int fd; |
| /* gallium */ |
| boolean d_depth_bits_last; |
| boolean sd_depth_bits_last; |
| boolean auto_fake_front; |
| enum pipe_texture_target target; |
| /* hooks filled in by dri2 & drisw */ |
| __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle); |
| }; |
| /** cast wrapper */ |
| static INLINE struct dri_screen * |
| dri_screen(__DRIscreen * sPriv) |
| { |
| return (struct dri_screen *)sPriv->driverPrivate; |
| } |
| struct __DRIimageRec { |
| struct pipe_resource *texture; |
| unsigned level; |
| unsigned layer; |
| uint32_t dri_format; |
| uint32_t dri_components; |
| void *loader_private; |
| }; |
| #ifndef __NOT_HAVE_DRM_H |
| static INLINE boolean |
| dri_with_format(__DRIscreen * sPriv) |
| { |
| const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader; |
| return loader |
| && (loader->base.version >= 3) |
| && (loader->getBuffersWithFormat != NULL); |
| } |
| #else |
| static INLINE boolean |
| dri_with_format(__DRIscreen * sPriv) |
| { |
| return TRUE; |
| } |
| #endif |
| void |
| dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen, |
| const struct gl_config *mode); |
| const __DRIconfig ** |
| dri_init_screen_helper(struct dri_screen *screen, |
| struct pipe_screen *pscreen); |
| void |
| dri_destroy_screen_helper(struct dri_screen * screen); |
| void |
| dri_destroy_screen(__DRIscreen * sPriv); |
| #endif |
| /* vim: set sw=3 ts=8 sts=3 expandtab: */ |