diff options
Diffstat (limited to 'src/mesa/state_tracker/st_framebuffer.c')
| -rw-r--r-- | src/mesa/state_tracker/st_framebuffer.c | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c deleted file mode 100644 index 1d35e8d6574..00000000000 --- a/src/mesa/state_tracker/st_framebuffer.c +++ /dev/null @@ -1,433 +0,0 @@ -/************************************************************************** - * - * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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 TUNGSTEN GRAPHICS 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. - * - **************************************************************************/ - - -#include "main/imports.h" -#include "main/buffers.h" -#include "main/context.h" -#include "main/framebuffer.h" -#include "main/renderbuffer.h" -#include "st_context.h" -#include "st_cb_fbo.h" -#include "st_public.h" -#include "pipe/p_defines.h" -#include "util/u_inlines.h" - - -struct st_framebuffer * -st_create_framebuffer( const __GLcontextModes *visual, - enum pipe_format colorFormat, - enum pipe_format depthFormat, - enum pipe_format stencilFormat, - uint width, uint height, - void *private) -{ - struct st_framebuffer *stfb = ST_CALLOC_STRUCT(st_framebuffer); - if (stfb) { - int samples = st_get_msaa(); - int i; - - if (visual->sampleBuffers) - samples = visual->samples; - - _mesa_initialize_window_framebuffer(&stfb->Base, visual); - - if (visual->doubleBufferMode) { - struct gl_renderbuffer *rb - = st_new_renderbuffer_fb(colorFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb); - } - else { - /* Only allocate front buffer right now if we're single buffered. - * If double-buffered, allocate front buffer on demand later. - * See check_create_front_buffers() and st_set_framebuffer_surface(). - */ - struct gl_renderbuffer *rb - = st_new_renderbuffer_fb(colorFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); - } - - if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) { - /* combined depth/stencil buffer */ - struct gl_renderbuffer *depthStencilRb - = st_new_renderbuffer_fb(depthFormat, samples, FALSE); - /* note: bind RB to two attachment points */ - _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, depthStencilRb); - } - else { - /* separate depth and/or stencil */ - - if (visual->depthBits == 32) { - /* 32-bit depth buffer */ - struct gl_renderbuffer *depthRb - = st_new_renderbuffer_fb(depthFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb); - } - else if (visual->depthBits == 24) { - /* 24-bit depth buffer, ignore stencil bits */ - struct gl_renderbuffer *depthRb - = st_new_renderbuffer_fb(depthFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb); - } - else if (visual->depthBits > 0) { - /* 16-bit depth buffer */ - struct gl_renderbuffer *depthRb - = st_new_renderbuffer_fb(depthFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb); - } - - if (visual->stencilBits > 0) { - /* 8-bit stencil */ - struct gl_renderbuffer *stencilRb - = st_new_renderbuffer_fb(stencilFormat, samples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, stencilRb); - } - } - - if (visual->accumRedBits > 0) { - /* 16-bit/channel accum */ - /* TODO: query the pipe screen for accumulation buffer format support */ - struct gl_renderbuffer *accumRb - = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM, 0, TRUE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb); - } - - for (i = 0; i < visual->numAuxBuffers; i++) { - struct gl_renderbuffer *aux - = st_new_renderbuffer_fb(colorFormat, 0, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_AUX0 + i, aux); - } - - stfb->Base.Initialized = GL_TRUE; - stfb->InitWidth = width; - stfb->InitHeight = height; - stfb->Private = private; - } - return stfb; -} - - -void st_resize_framebuffer( struct st_framebuffer *stfb, - uint width, uint height ) -{ - if (stfb->Base.Width != width || stfb->Base.Height != height) { - GET_CURRENT_CONTEXT(ctx); - if (ctx) { - _mesa_check_init_viewport(ctx, width, height); - - _mesa_resize_framebuffer(ctx, &stfb->Base, width, height); - - assert(stfb->Base.Width == width); - assert(stfb->Base.Height == height); - } - } -} - - -void st_unreference_framebuffer( struct st_framebuffer *stfb ) -{ - _mesa_reference_framebuffer((struct gl_framebuffer **) &stfb, NULL); -} - - - -/** - * Set/replace a framebuffer surface. - * The user of the state tracker can use this instead of - * st_resize_framebuffer() to provide new surfaces when a window is resized. - * \param surfIndex an ST_SURFACE_x index - */ -void -st_set_framebuffer_surface(struct st_framebuffer *stfb, - uint surfIndex, struct pipe_surface *surf) -{ - GET_CURRENT_CONTEXT(ctx); - static const GLuint invalid_size = 9999999; - struct st_renderbuffer *strb; - GLuint width, height, i; - - /* sanity checks */ - assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT); - assert(ST_SURFACE_BACK_LEFT == BUFFER_BACK_LEFT); - assert(ST_SURFACE_FRONT_RIGHT == BUFFER_FRONT_RIGHT); - assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT); - assert(ST_SURFACE_DEPTH == BUFFER_DEPTH); - - assert(surfIndex < BUFFER_COUNT); - - strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer); - - if (!strb) { - if (surfIndex == ST_SURFACE_FRONT_LEFT) { - /* Delayed creation when the window system supplies a fake front buffer */ - struct st_renderbuffer *strb_back - = st_renderbuffer(stfb->Base.Attachment[ST_SURFACE_BACK_LEFT].Renderbuffer); - struct gl_renderbuffer *rb - = st_new_renderbuffer_fb(surf->format, strb_back->Base.NumSamples, FALSE); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); - strb = st_renderbuffer(rb); - } else { - /* fail */ - return; - } - } - - /* replace the renderbuffer's surface/texture pointers */ - pipe_surface_reference( &strb->surface, surf ); - pipe_texture_reference( &strb->texture, surf->texture ); - - if (ctx) { - /* If ctx isn't set, we've likely not made current yet. - * But when we do, we need to start setting this dirty bit - * to ensure the renderbuffer attachements are up-to-date - * via update_framebuffer. - */ - ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER; - } - - /* update renderbuffer's width/height */ - strb->Base.Width = surf->width; - strb->Base.Height = surf->height; - - /* Try to update the framebuffer's width/height from the renderbuffer - * sizes. Before we start drawing, all the rbs _should_ be the same size. - */ - width = height = invalid_size; - for (i = 0; i < BUFFER_COUNT; i++) { - if (stfb->Base.Attachment[i].Renderbuffer) { - if (width == invalid_size) { - width = stfb->Base.Attachment[i].Renderbuffer->Width; - height = stfb->Base.Attachment[i].Renderbuffer->Height; - } - else if (width != stfb->Base.Attachment[i].Renderbuffer->Width || - height != stfb->Base.Attachment[i].Renderbuffer->Height) { - /* inconsistant renderbuffer sizes, bail out */ - return; - } - } - } - - if (width != invalid_size) { - /* OK, the renderbuffers are of a consistant size, so update the - * parent framebuffer's size. - */ - stfb->Base.Width = width; - stfb->Base.Height = height; - } -} - - - -/** - * Return the pipe_surface for the given renderbuffer. - */ -int -st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface) -{ - struct st_renderbuffer *strb; - - assert(surfIndex <= ST_SURFACE_DEPTH); - - /* sanity checks, ST tokens should match Mesa tokens */ - assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT); - assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT); - - strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer); - if (strb) { - *surface = strb->surface; - return GL_TRUE; - } - - *surface = NULL; - return GL_FALSE; -} - -int -st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture) -{ - struct st_renderbuffer *strb; - - assert(surfIndex <= ST_SURFACE_DEPTH); - - /* sanity checks, ST tokens should match Mesa tokens */ - assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT); - assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT); - - strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer); - if (strb) { - *texture = strb->texture; - return GL_TRUE; - } - - *texture = NULL; - return GL_FALSE; -} - -/** - * This function is to be called prior to SwapBuffers on the given - * framebuffer. It checks if the current context is bound to the framebuffer - * and flushes rendering if needed. - */ -void -st_notify_swapbuffers(struct st_framebuffer *stfb) -{ - GET_CURRENT_CONTEXT(ctx); - - if (ctx && ctx->DrawBuffer == &stfb->Base) { - st_flush( ctx->st, - PIPE_FLUSH_RENDER_CACHE | - PIPE_FLUSH_SWAPBUFFERS | - PIPE_FLUSH_FRAME, - NULL ); - if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer)) - ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK; - } -} - - -/** - * Swap the front/back color buffers. Exchange the front/back pointers - * and update some derived state. - * No need to call st_notify_swapbuffers() first. - * - * For a single-buffered framebuffer, no swap occurs, but we still return - * the pointer(s) to the front color buffer(s). - * - * \param front_left returns pointer to front-left renderbuffer after swap - * \param front_right returns pointer to front-right renderbuffer after swap - */ -void -st_swapbuffers(struct st_framebuffer *stfb, - struct pipe_surface **front_left, - struct pipe_surface **front_right) -{ - struct gl_framebuffer *fb = &stfb->Base; - - GET_CURRENT_CONTEXT(ctx); - - if (ctx && ctx->DrawBuffer == &stfb->Base) { - st_flush( ctx->st, - PIPE_FLUSH_RENDER_CACHE | - PIPE_FLUSH_SWAPBUFFERS | - PIPE_FLUSH_FRAME, - NULL ); - } - - if (!fb->Visual.doubleBufferMode) { - /* single buffer mode - return pointers to front surfaces */ - if (front_left) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); - *front_left = strb->surface; - } - if (front_right) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer); - *front_right = strb ? strb->surface : NULL; - } - return; - } - - /* swap left buffers */ - if (fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer && - fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer) { - struct gl_renderbuffer *rbTemp; - rbTemp = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer; - fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer = - fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer; - fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer = rbTemp; - if (front_left) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); - *front_left = strb->surface; - } - /* mark back buffer contents as undefined */ - { - struct st_renderbuffer *back = - st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); - back->defined = GL_FALSE; - } - } - else { - /* no front buffer, display the back buffer */ - if (front_left) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); - *front_left = strb->surface; - } - } - - /* swap right buffers (for stereo) */ - if (fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer && - fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer) { - struct gl_renderbuffer *rbTemp; - rbTemp = fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer; - fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer = - fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer; - fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer = rbTemp; - if (front_right) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer); - *front_right = strb->surface; - } - /* mark back buffer contents as undefined */ - { - struct st_renderbuffer *back = - st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer); - back->defined = GL_FALSE; - } - } - else { - /* no front right buffer, display back right buffer (if exists) */ - if (front_right) { - struct st_renderbuffer *strb = - st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer); - *front_right = strb ? strb->surface : NULL; - } - } - - /* Update the _ColorDrawBuffers[] array and _ColorReadBuffer pointer */ - _mesa_update_framebuffer(ctx); - - /* Make sure we draw into the new back surface */ - st_invalidate_state(ctx, _NEW_BUFFERS); -} - - -void *st_framebuffer_private( struct st_framebuffer *stfb ) -{ - return stfb->Private; -} - -void st_get_framebuffer_dimensions( struct st_framebuffer *stfb, - uint *width, - uint *height) -{ - *width = stfb->Base.Width; - *height = stfb->Base.Height; -} |