X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_framebuffer.c;h=d3c43bbc68a7b180532b380c164021d71a764d12;hb=f0f04cd12db156ec53b7ea46fae27199af121f90;hp=6fd731d209d077da65a12cd0d8cce1983d32dc53;hpb=c417a2c3f37a6a28947db5dc5aa240473d29dd19;p=mesa.git diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c index 6fd731d209d..d3c43bbc68a 100644 --- a/src/mesa/state_tracker/st_framebuffer.c +++ b/src/mesa/state_tracker/st_framebuffer.c @@ -30,15 +30,12 @@ #include "main/buffers.h" #include "main/context.h" #include "main/framebuffer.h" -#include "main/matrix.h" #include "main/renderbuffer.h" -#include "main/scissor.h" -#include "st_public.h" #include "st_context.h" #include "st_cb_fbo.h" +#include "st_public.h" #include "pipe/p_defines.h" -#include "pipe/p_context.h" -#include "pipe/p_inlines.h" +#include "util/u_inlines.h" struct st_framebuffer * @@ -49,34 +46,35 @@ st_create_framebuffer( const __GLcontextModes *visual, uint width, uint height, void *private) { - struct st_framebuffer *stfb = CALLOC_STRUCT(st_framebuffer); + 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_framebuffer(&stfb->Base, visual); - - { - /* fake frontbuffer */ - /* XXX allocation should only happen in the unusual case - it's actually needed */ - struct gl_renderbuffer *rb - = st_new_renderbuffer_fb(colorFormat, samples); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); - } + _mesa_initialize_window_framebuffer(&stfb->Base, visual); if (visual->doubleBufferMode) { struct gl_renderbuffer *rb - = st_new_renderbuffer_fb(colorFormat, samples); + = 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); + = 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); @@ -87,37 +85,44 @@ st_create_framebuffer( const __GLcontextModes *visual, if (visual->depthBits == 32) { /* 32-bit depth buffer */ struct gl_renderbuffer *depthRb - = st_new_renderbuffer_fb(depthFormat, samples); + = 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); + = 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); + = 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); + = 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(DEFAULT_ACCUM_PIPE_FORMAT, 0); /* XXX accum isn't multisampled right? */ + = 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; @@ -133,16 +138,7 @@ void st_resize_framebuffer( struct st_framebuffer *stfb, if (stfb->Base.Width != width || stfb->Base.Height != height) { GET_CURRENT_CONTEXT(ctx); if (ctx) { - if (stfb->InitWidth == 0 && stfb->InitHeight == 0) { - /* didn't have a valid size until now */ - stfb->InitWidth = width; - stfb->InitHeight = height; - if (ctx->Viewport.Width <= 1) { - /* set context's initial viewport/scissor size */ - _mesa_set_viewport(ctx, 0, 0, width, height); - _mesa_set_scissor(ctx, 0, 0, width, height); - } - } + _mesa_check_init_viewport(ctx, width, height); _mesa_resize_framebuffer(ctx, &stfb->Base, width, height); @@ -155,7 +151,7 @@ void st_resize_framebuffer( struct st_framebuffer *stfb, void st_unreference_framebuffer( struct st_framebuffer *stfb ) { - _mesa_unreference_framebuffer((struct gl_framebuffer **) &stfb); + _mesa_reference_framebuffer((struct gl_framebuffer **) &stfb, NULL); } @@ -164,55 +160,60 @@ void st_unreference_framebuffer( struct st_framebuffer *stfb ) * 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) { - static const GLuint invalid_size = 9999999; + GET_CURRENT_CONTEXT(ctx); 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); - /* fail */ - if (!strb) return; + if (!strb) { + /* create new renderbuffer for this surface now */ + const GLuint numSamples = stfb->Base.Visual.samples; + struct gl_renderbuffer *rb = + st_new_renderbuffer_fb(surf->format, numSamples, FALSE); + if (!rb) { + /* out of memory */ + _mesa_warning(ctx, "Out of memory allocating renderbuffer"); + return; + } + _mesa_add_renderbuffer(&stfb->Base, surfIndex, rb); + strb = st_renderbuffer(rb); + } /* replace the renderbuffer's surface/texture pointers */ pipe_surface_reference( &strb->surface, surf ); pipe_texture_reference( &strb->texture, surf->texture ); + pipe_sampler_view_reference(&strb->sampler_view, NULL); + + 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. + * Core Mesa's state validation will update the parent framebuffer's + * size info, etc. + */ + ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER; + ctx->NewState |= _NEW_BUFFERS; + } /* 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; - } } @@ -220,8 +221,8 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb, /** * Return the pipe_surface for the given renderbuffer. */ -struct pipe_surface * -st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex) +int +st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface) { struct st_renderbuffer *strb; @@ -232,13 +233,17 @@ st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex) assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT); strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer); - if (strb) - return strb->surface; - return NULL; + if (strb) { + *surface = strb->surface; + return GL_TRUE; + } + + *surface = NULL; + return GL_FALSE; } -struct pipe_texture * -st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex) +int +st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture) { struct st_renderbuffer *strb; @@ -249,9 +254,13 @@ st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex) assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT); strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer); - if (strb) - return strb->texture; - return NULL; + if (strb) { + *texture = strb->texture; + return GL_TRUE; + } + + *texture = NULL; + return GL_FALSE; } /** @@ -270,32 +279,118 @@ st_notify_swapbuffers(struct st_framebuffer *stfb) PIPE_FLUSH_SWAPBUFFERS | PIPE_FLUSH_FRAME, NULL ); - ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK; + if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer)) + ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK; } } -/** - * Quick hack - allows the winsys to inform the driver that surface - * states are now undefined after a glXSwapBuffers or similar. +/** + * 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_notify_swapbuffers_complete(struct st_framebuffer *stfb) +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) { - struct st_renderbuffer *strb; - int i; + 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; + } - for (i = 0; i < BUFFER_COUNT; i++) { - if (stfb->Base.Attachment[i].Renderbuffer) { - strb = st_renderbuffer(stfb->Base.Attachment[i].Renderbuffer); - if (strb->surface) - strb->surface->status = PIPE_SURFACE_STATUS_UNDEFINED; - } + /* 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); }