diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_depthstencil.c | 282 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_depthstencil.h | 14 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_fbo.c | 580 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_fbo.h | 99 |
4 files changed, 0 insertions, 975 deletions
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.c b/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.c deleted file mode 100644 index 81e09698cc..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.c +++ /dev/null @@ -1,282 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 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 "glheader.h" -#include "imports.h" -#include "context.h" -#include "depthstencil.h" -#include "fbobject.h" -#include "framebuffer.h" -#include "hash.h" -#include "mtypes.h" -#include "renderbuffer.h" - -#include "intel_context.h" -#include "intel_fbo.h" -#include "intel_depthstencil.h" - -#include "pipe/p_context.h" - -/** - * The GL_EXT_framebuffer_object allows the user to create their own - * framebuffer objects consisting of color renderbuffers (0 or more), - * depth renderbuffers (0 or 1) and stencil renderbuffers (0 or 1). - * - * The spec considers depth and stencil renderbuffers to be totally independent - * buffers. In reality, most graphics hardware today uses a combined - * depth+stencil buffer (one 32-bit pixel = 24 bits of Z + 8 bits of stencil). - * - * This causes difficulty because the user may create some number of depth - * renderbuffers and some number of stencil renderbuffers and bind them - * together in framebuffers in any combination. - * - * This code manages all that. - * - * 1. Depth renderbuffers are always allocated in hardware as 32bpp - * GL_DEPTH24_STENCIL8 buffers. - * - * 2. Stencil renderbuffers are initially allocated in software as 8bpp - * GL_STENCIL_INDEX8 buffers. - * - * 3. Depth and Stencil renderbuffers use the PairedStencil and PairedDepth - * fields (respectively) to indicate if the buffer's currently paired - * with another stencil or depth buffer (respectively). - * - * 4. When a depth and stencil buffer are initially both attached to the - * current framebuffer, we merge the stencil buffer values into the - * depth buffer (really a depth+stencil buffer). The then hardware uses - * the combined buffer. - * - * 5. Whenever a depth or stencil buffer is reallocated (with - * glRenderbufferStorage) we undo the pairing and copy the stencil values - * from the combined depth/stencil buffer back to the stencil-only buffer. - * - * 6. We also undo the pairing when we find a change in buffer bindings. - * - * 7. If a framebuffer is only using a depth renderbuffer (no stencil), we - * just use the combined depth/stencil buffer and ignore the stencil values. - * - * 8. If a framebuffer is only using a stencil renderbuffer (no depth) we have - * to promote the 8bpp software stencil buffer to a 32bpp hardware - * depth+stencil buffer. - * - */ - - - -static void -map_regions(GLcontext * ctx, - struct intel_renderbuffer *depthRb, - struct intel_renderbuffer *stencilRb) -{ - struct intel_context *intel = intel_context(ctx); - if (depthRb && depthRb->region) { - intel->pipe->region_map(intel->pipe, depthRb->region); - depthRb->pfMap = depthRb->region->map; - depthRb->pfPitch = depthRb->region->pitch; - } - if (stencilRb && stencilRb->region) { - intel->pipe->region_map(intel->pipe, stencilRb->region); - stencilRb->pfMap = stencilRb->region->map; - stencilRb->pfPitch = stencilRb->region->pitch; - } -} - -static void -unmap_regions(GLcontext * ctx, - struct intel_renderbuffer *depthRb, - struct intel_renderbuffer *stencilRb) -{ - struct intel_context *intel = intel_context(ctx); - if (depthRb && depthRb->region) { - intel->pipe->region_unmap(intel->pipe, depthRb->region); - depthRb->pfMap = NULL; - depthRb->pfPitch = 0; - } - if (stencilRb && stencilRb->region) { - intel->pipe->region_unmap(intel->pipe, stencilRb->region); - stencilRb->pfMap = NULL; - stencilRb->pfPitch = 0; - } -} - - - -/** - * Undo the pairing/interleaving between depth and stencil buffers. - * irb should be a depth/stencil or stencil renderbuffer. - */ -void -intel_unpair_depth_stencil(GLcontext * ctx, struct intel_renderbuffer *irb) -{ - if (irb->PairedStencil) { - /* irb is a depth/stencil buffer */ - struct gl_renderbuffer *stencilRb; - struct intel_renderbuffer *stencilIrb; - - ASSERT(irb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - - stencilRb = _mesa_lookup_renderbuffer(ctx, irb->PairedStencil); - stencilIrb = intel_renderbuffer(stencilRb); - if (stencilIrb) { - /* need to extract stencil values from the depth buffer */ - ASSERT(stencilIrb->PairedDepth == irb->Base.Name); - map_regions(ctx, irb, stencilIrb); - _mesa_extract_stencil(ctx, &irb->Base, &stencilIrb->Base); - unmap_regions(ctx, irb, stencilIrb); - stencilIrb->PairedDepth = 0; - } - irb->PairedStencil = 0; - } - else if (irb->PairedDepth) { - /* irb is a stencil buffer */ - struct gl_renderbuffer *depthRb; - struct intel_renderbuffer *depthIrb; - - ASSERT(irb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT || - irb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - - depthRb = _mesa_lookup_renderbuffer(ctx, irb->PairedDepth); - depthIrb = intel_renderbuffer(depthRb); - if (depthIrb) { - /* need to extract stencil values from the depth buffer */ - ASSERT(depthIrb->PairedStencil == irb->Base.Name); - map_regions(ctx, depthIrb, irb); - _mesa_extract_stencil(ctx, &depthIrb->Base, &irb->Base); - unmap_regions(ctx, depthIrb, irb); - depthIrb->PairedStencil = 0; - } - irb->PairedDepth = 0; - } - else { - _mesa_problem(ctx, "Problem in undo_depth_stencil_pairing"); - } - - ASSERT(irb->PairedStencil == 0); - ASSERT(irb->PairedDepth == 0); -} - - -/** - * Examine the depth and stencil renderbuffers which are attached to the - * framebuffer. If both depth and stencil are attached, make sure that the - * renderbuffers are 'paired' (combined). If only depth or only stencil is - * attached, undo any previous pairing. - * - * Must be called if NewState & _NEW_BUFFER (when renderbuffer attachments - * change, for example). - */ -void -intel_validate_paired_depth_stencil(GLcontext * ctx, - struct gl_framebuffer *fb) -{ - struct intel_renderbuffer *depthRb, *stencilRb; - - depthRb = intel_get_renderbuffer(fb, BUFFER_DEPTH); - stencilRb = intel_get_renderbuffer(fb, BUFFER_STENCIL); - - if (depthRb && stencilRb) { - if (depthRb == stencilRb) { - /* Using a user-created combined depth/stencil buffer. - * Nothing to do. - */ - ASSERT(depthRb->Base._BaseFormat == GL_DEPTH_STENCIL_EXT); - ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - } - else { - /* Separate depth/stencil buffers, need to interleave now */ - ASSERT(depthRb->Base._BaseFormat == GL_DEPTH_COMPONENT); - ASSERT(stencilRb->Base._BaseFormat == GL_STENCIL_INDEX); - /* may need to interleave depth/stencil now */ - if (depthRb->PairedStencil == stencilRb->Base.Name) { - /* OK, the depth and stencil buffers are already interleaved */ - ASSERT(stencilRb->PairedDepth == depthRb->Base.Name); - } - else { - /* need to setup new pairing/interleaving */ - if (depthRb->PairedStencil) { - intel_unpair_depth_stencil(ctx, depthRb); - } - if (stencilRb->PairedDepth) { - intel_unpair_depth_stencil(ctx, stencilRb); - } - - ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - ASSERT(stencilRb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT || - stencilRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - - /* establish new pairing: interleave stencil into depth buffer */ - map_regions(ctx, depthRb, stencilRb); - _mesa_insert_stencil(ctx, &depthRb->Base, &stencilRb->Base); - unmap_regions(ctx, depthRb, stencilRb); - depthRb->PairedStencil = stencilRb->Base.Name; - stencilRb->PairedDepth = depthRb->Base.Name; - } - - } - } - else if (depthRb) { - /* Depth buffer but no stencil buffer. - * We'll use a GL_DEPTH24_STENCIL8 buffer and ignore the stencil bits. - */ - /* can't assert this until storage is allocated: - ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - */ - /* intel_undo any previous pairing */ - if (depthRb->PairedStencil) { - intel_unpair_depth_stencil(ctx, depthRb); - } - } - else if (stencilRb) { - /* Stencil buffer but no depth buffer. - * Since h/w doesn't typically support just 8bpp stencil w/out Z, - * we'll use a GL_DEPTH24_STENCIL8 buffer and ignore the depth bits. - */ - /* undo any previous pairing */ - if (stencilRb->PairedDepth) { - intel_unpair_depth_stencil(ctx, stencilRb); - } - if (stencilRb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT) { - /* promote buffer to GL_DEPTH24_STENCIL8 for hw rendering */ - _mesa_promote_stencil(ctx, &stencilRb->Base); - ASSERT(stencilRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); - } - } - - /* Finally, update the fb->_DepthBuffer and fb->_StencilBuffer fields */ - _mesa_update_depth_buffer(ctx, fb, BUFFER_DEPTH); - if (depthRb && depthRb->PairedStencil) - _mesa_update_stencil_buffer(ctx, fb, BUFFER_DEPTH); - else - _mesa_update_stencil_buffer(ctx, fb, BUFFER_STENCIL); - - - /* The hardware should use fb->Attachment[BUFFER_DEPTH].Renderbuffer - * first, if present, then fb->Attachment[BUFFER_STENCIL].Renderbuffer - * if present. - */ -} diff --git a/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.h b/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.h deleted file mode 100644 index 2d3fc48b3a..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_depthstencil.h +++ /dev/null @@ -1,14 +0,0 @@ - -#ifndef INTEL_DEPTH_STENCIL_H -#define INTEL_DEPTH_STENCIL_H - - -extern void -intel_unpair_depth_stencil(GLcontext * ctx, struct intel_renderbuffer *irb); - -extern void -intel_validate_paired_depth_stencil(GLcontext * ctx, - struct gl_framebuffer *fb); - - -#endif /* INTEL_DEPTH_STENCIL_H */ diff --git a/src/mesa/drivers/dri/intel_winsys/intel_fbo.c b/src/mesa/drivers/dri/intel_winsys/intel_fbo.c deleted file mode 100644 index 3dd99747da..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_fbo.c +++ /dev/null @@ -1,580 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 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 "imports.h" -#include "mtypes.h" -#include "fbobject.h" -#include "framebuffer.h" -#include "renderbuffer.h" -#include "context.h" -#include "texformat.h" -#include "texrender.h" - -#include "intel_context.h" -#include "intel_buffers.h" -#include "intel_depthstencil.h" -#include "intel_fbo.h" -#include "state_tracker/st_mipmap_tree.h" -/*#include "intel_tex.h"*/ - -#include "pipe/p_context.h" - -#define FILE_DEBUG_FLAG DEBUG_FBO - -#define INTEL_RB_CLASS 0x12345678 - - -/* XXX FBO: move this to intel_context.h (inlined) */ -/** - * Return a gl_renderbuffer ptr casted to intel_renderbuffer. - * NULL will be returned if the rb isn't really an intel_renderbuffer. - * This is determiend by checking the ClassID. - */ -struct intel_renderbuffer * -intel_renderbuffer(struct gl_renderbuffer *rb) -{ - struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb; - if (irb && irb->Base.ClassID == INTEL_RB_CLASS) { - /*_mesa_warning(NULL, "Returning non-intel Rb\n");*/ - return irb; - } - else - return NULL; -} - - -/** - * Create a new framebuffer object. - */ -static struct gl_framebuffer * -intel_new_framebuffer(GLcontext * ctx, GLuint name) -{ - /* Only drawable state in intel_framebuffer at this time, just use Mesa's - * class - */ - return _mesa_new_framebuffer(ctx, name); -} - - -static void -intel_delete_renderbuffer(struct gl_renderbuffer *rb) -{ - GET_CURRENT_CONTEXT(ctx); - struct intel_context *intel = intel_context(ctx); - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - - ASSERT(irb); - - DBG("freeing renderbuffer\n"); - -#if 0 - if (irb->PairedStencil || irb->PairedDepth) { - intel_unpair_depth_stencil(ctx, irb); - } -#endif - if (intel && irb->Base.surface->region) { - intel->pipe->region_release(intel->pipe, &irb->Base.surface->region); - } - - _mesa_free(irb); -} - - - -/** - * Return a pointer to a specific pixel in a renderbuffer. - */ -static void * -intel_get_pointer(GLcontext * ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) -{ - /* By returning NULL we force all software rendering to go through - * the span routines. - */ - return NULL; -} - - - -/** - * Called via glRenderbufferStorageEXT() to set the format and allocate - * storage for a user-created (or priv buffer) renderbuffer. - */ -static GLboolean -intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, - GLuint width, GLuint height) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - GLboolean softwareBuffer = GL_FALSE; - int cpp; - - switch (internalFormat) { - case GL_R3_G3_B2: - case GL_RGB4: - case GL_RGB5: - rb->_ActualFormat = GL_RGB5; - rb->DataType = GL_UNSIGNED_BYTE; - rb->RedBits = 5; - rb->GreenBits = 6; - rb->BlueBits = 5; - cpp = 2; - break; - case GL_RGB: - case GL_RGB8: - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - case GL_RGBA: - case GL_RGBA2: - case GL_RGBA4: - case GL_RGB5_A1: - case GL_RGBA8: - case GL_RGB10_A2: - case GL_RGBA12: - case GL_RGBA16: - rb->_ActualFormat = GL_RGBA8; - rb->DataType = GL_UNSIGNED_BYTE; - rb->RedBits = 8; - rb->GreenBits = 8; - rb->BlueBits = 8; - rb->AlphaBits = 8; - cpp = 4; - break; - case GL_STENCIL_INDEX: - case GL_STENCIL_INDEX1_EXT: - case GL_STENCIL_INDEX4_EXT: - case GL_STENCIL_INDEX8_EXT: - case GL_STENCIL_INDEX16_EXT: - /* alloc a depth+stencil buffer */ - rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; - rb->DataType = GL_UNSIGNED_INT_24_8_EXT; - rb->StencilBits = 8; - cpp = 4; - break; - case GL_DEPTH_COMPONENT16: - rb->_ActualFormat = GL_DEPTH_COMPONENT16; - rb->DataType = GL_UNSIGNED_SHORT; - rb->DepthBits = 16; - cpp = 2; - break; - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT24: - case GL_DEPTH_COMPONENT32: - rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; - rb->DataType = GL_UNSIGNED_INT_24_8_EXT; - rb->DepthBits = 24; - cpp = 4; - break; - case GL_DEPTH_STENCIL_EXT: - case GL_DEPTH24_STENCIL8_EXT: - rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; - rb->DataType = GL_UNSIGNED_INT_24_8_EXT; - rb->DepthBits = 24; - rb->StencilBits = 8; - cpp = 4; - break; - default: - _mesa_problem(ctx, - "Unexpected format (%x) in intel_alloc_renderbuffer_storage", internalFormat); - return GL_FALSE; - } - - intelFlush(ctx); - - /* free old region */ - if (irb->Base.surface->region) { - intel->pipe->region_release(intel->pipe, &irb->Base.surface->region); - } - - /* allocate new memory region/renderbuffer */ - if (softwareBuffer) { - return _mesa_soft_renderbuffer_storage(ctx, rb, internalFormat, - width, height); - } - else { - /* Choose a pitch to match hardware requirements: - */ - GLuint pitch = ((cpp * width + 63) & ~63) / cpp; - - /* alloc hardware renderbuffer */ - DBG("Allocating %d x %d Intel RBO (pitch %d)\n", width, - height, pitch); - - irb->Base.surface->region = intel->pipe->region_alloc(intel->pipe, cpp, pitch, height); - if (!irb->Base.surface->region) - return GL_FALSE; /* out of memory? */ - - ASSERT(irb->Base.surface->region->buffer); - - rb->Width = width; - rb->Height = height; - - /* update the surface's size too */ - rb->surface->width = width; - rb->surface->height = height; - rb->surface->region = irb->Base.surface->region;/*XXX no-op*/ - - /* This sets the Get/PutRow/Value functions */ - // intel_set_span_functions(&irb->Base); - - return GL_TRUE; - } -} - - -static void -intel_resize_buffers(GLcontext *ctx, struct gl_framebuffer *fb, - GLuint width, GLuint height) -{ - struct intel_framebuffer *intel_fb = (struct intel_framebuffer*)fb; - int i; - - _mesa_resize_framebuffer(ctx, fb, width, height); - - fb->Initialized = GL_TRUE; /* XXX remove someday */ - - if (fb->Name != 0) { - return; - } - - /* Make sure all window system renderbuffers are up to date */ -#if 0 - for (i = 0; i < 3; i++) { - struct gl_renderbuffer *rb = &intel_fb->color_rb[i]->Base; - - /* only resize if size is changing */ - if (rb && (rb->Width != width || rb->Height != height)) { - rb->AllocStorage(ctx, rb, rb->InternalFormat, width, height); - } - } -#else - -#endif -} - -static GLboolean -intel_nop_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - _mesa_problem(ctx, "intel_op_alloc_storage should never be called."); - return GL_FALSE; -} - - - -struct intel_renderbuffer * -intel_new_renderbuffer_fb(GLuint intFormat) -{ - struct intel_renderbuffer *irb; - - irb = CALLOC_STRUCT(intel_renderbuffer); - if (!irb) { - _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer"); - return NULL; - } - - _mesa_init_renderbuffer(&irb->Base, 0); - irb->Base.ClassID = INTEL_RB_CLASS; - irb->Base.InternalFormat = intFormat; - - switch (intFormat) { - case GL_RGB5: - case GL_RGBA8: - irb->Base._BaseFormat = GL_RGBA; - break; - case GL_DEPTH_COMPONENT16: - irb->Base._BaseFormat = GL_DEPTH_COMPONENT; - break; - case GL_DEPTH24_STENCIL8_EXT: - irb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT; - break; - default: - _mesa_problem(NULL, - "Unexpected intFormat in intel_create_renderbuffer"); - return NULL; - } - - /* intel-specific methods */ - irb->Base.Delete = intel_delete_renderbuffer; - irb->Base.AllocStorage = intel_alloc_renderbuffer_storage; - irb->Base.GetPointer = intel_get_pointer; - /* span routines set in alloc_storage function */ - - irb->Base.surface = intel_new_surface(intFormat); - irb->Base.surface->rb = irb; - - return irb; -} - -/** - * Create a new renderbuffer object. - * Typically called via glBindRenderbufferEXT(). - */ -static struct gl_renderbuffer * -intel_new_renderbuffer(GLcontext * ctx, GLuint name) -{ - /*struct intel_context *intel = intel_context(ctx); */ - struct intel_renderbuffer *irb; - - irb = CALLOC_STRUCT(intel_renderbuffer); - if (!irb) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); - return NULL; - } - - _mesa_init_renderbuffer(&irb->Base, name); - irb->Base.ClassID = INTEL_RB_CLASS; - - /* intel-specific methods */ - irb->Base.Delete = intel_delete_renderbuffer; - irb->Base.AllocStorage = intel_alloc_renderbuffer_storage; - irb->Base.GetPointer = intel_get_pointer; - /* span routines set in alloc_storage function */ - - irb->Base.surface = intel_new_surface(0 /*unknown format*/); - irb->Base.surface->rb = irb; - - return &irb->Base; -} - - -/** - * Called via glBindFramebufferEXT(). - */ -static void -intel_bind_framebuffer(GLcontext * ctx, GLenum target, - struct gl_framebuffer *fb, struct gl_framebuffer *fbread) -{ - if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) { - intel_draw_buffer(ctx, fb); - /* Integer depth range depends on depth buffer bits */ - /* XXX - */ -// ctx->Driver.DepthRange(ctx, ctx->Viewport.Near, ctx->Viewport.Far); - } - else { - /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */ - } -} - - -/** - * Called via glFramebufferRenderbufferEXT(). - */ -static void -intel_framebuffer_renderbuffer(GLcontext * ctx, - struct gl_framebuffer *fb, - GLenum attachment, struct gl_renderbuffer *rb) -{ - DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0); - - intelFlush(ctx); - - _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); - intel_draw_buffer(ctx, fb); -} - - -/** - * When glFramebufferTexture[123]D is called this function sets up the - * gl_renderbuffer wrapper around the texture image. - * This will have the region info needed for hardware rendering. - */ -static struct intel_renderbuffer * -intel_wrap_texture(GLcontext * ctx, struct gl_texture_image *texImage) -{ - const GLuint name = ~0; /* not significant, but distinct for debugging */ - struct intel_renderbuffer *irb; - - /* make an intel_renderbuffer to wrap the texture image */ - irb = CALLOC_STRUCT(intel_renderbuffer); - if (!irb) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture"); - return NULL; - } - - _mesa_init_renderbuffer(&irb->Base, name); - irb->Base.ClassID = INTEL_RB_CLASS; - - if (texImage->TexFormat == &_mesa_texformat_argb8888) { - irb->Base._ActualFormat = GL_RGBA8; - irb->Base._BaseFormat = GL_RGBA; - DBG("Render to RGBA8 texture OK\n"); - } - else if (texImage->TexFormat == &_mesa_texformat_rgb565) { - irb->Base._ActualFormat = GL_RGB5; - irb->Base._BaseFormat = GL_RGB; - DBG("Render to RGB5 texture OK\n"); - } - else if (texImage->TexFormat == &_mesa_texformat_z16) { - irb->Base._ActualFormat = GL_DEPTH_COMPONENT16; - irb->Base._BaseFormat = GL_DEPTH_COMPONENT; - DBG("Render to DEPTH16 texture OK\n"); - } - else { - DBG("Render to texture BAD FORMAT %d\n", - texImage->TexFormat->MesaFormat); - _mesa_free(irb); - return NULL; - } - - irb->Base.InternalFormat = irb->Base._ActualFormat; - irb->Base.Width = texImage->Width; - irb->Base.Height = texImage->Height; - irb->Base.DataType = GL_UNSIGNED_BYTE; /* FBO XXX fix */ - irb->Base.RedBits = texImage->TexFormat->RedBits; - irb->Base.GreenBits = texImage->TexFormat->GreenBits; - irb->Base.BlueBits = texImage->TexFormat->BlueBits; - irb->Base.AlphaBits = texImage->TexFormat->AlphaBits; - irb->Base.DepthBits = texImage->TexFormat->DepthBits; - - irb->Base.Delete = intel_delete_renderbuffer; - irb->Base.AllocStorage = intel_nop_alloc_storage; - -// intel_set_span_functions(&irb->Base); - -#if 0 - irb->RenderToTexture = GL_TRUE; -#endif - - return irb; -} - - -/** - * Called by glFramebufferTexture[123]DEXT() (and other places) to - * prepare for rendering into texture memory. This might be called - * many times to choose different texture levels, cube faces, etc - * before intel_finish_render_texture() is ever called. - */ -static void -intel_render_texture(GLcontext * ctx, - struct gl_framebuffer *fb, - struct gl_renderbuffer_attachment *att) -{ -#if 0 - struct intel_context *intel = intel_context(ctx); - struct gl_texture_image *newImage - = att->Texture->Image[att->CubeMapFace][att->TextureLevel]; - struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer); - struct st_texture_image *st_image; - GLuint imageOffset; - - (void) fb; - - ASSERT(newImage); - - if (!irb) { - irb = intel_wrap_texture(ctx, newImage); - if (irb) { - /* bind the wrapper to the attachment point */ - _mesa_reference_renderbuffer(&att->Renderbuffer, &irb->Base); - } - else { - /* fallback to software rendering */ - _mesa_render_texture(ctx, fb, att); - return; - } - } - - DBG("Begin render texture tid %x tex=%u w=%d h=%d refcount=%d\n", - _glthread_GetID(), - att->Texture->Name, newImage->Width, newImage->Height, - irb->Base.RefCount); - - /* point the renderbufer's region to the texture image region */ - st_image = st_texture_image(newImage); - if (irb->region != st_image->mt->region) { - if (irb->region) - intel->pipe->region_release(intel->pipe, &irb->region); - pipe_region_reference(&irb->region, st_image->mt->region); - } - - /* compute offset of the particular 2D image within the texture region */ - imageOffset = st_miptree_image_offset(st_image->mt, - att->CubeMapFace, - att->TextureLevel); - - if (att->Texture->Target == GL_TEXTURE_3D) { - const GLuint *offsets = st_miptree_depth_offsets(st_image->mt, - att->TextureLevel); - imageOffset += offsets[att->Zoffset]; - } - - /* store that offset in the region */ -#if 0 - st_image->mt->region->draw_offset = imageOffset; -#endif - - /* update drawing region, etc */ - intel_draw_buffer(ctx, fb); -#endif -} - - -/** - * Called by Mesa when rendering to a texture is done. - */ -static void -intel_finish_render_texture(GLcontext * ctx, - struct gl_renderbuffer_attachment *att) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer); - - DBG("End render texture (tid %x) tex %u\n", _glthread_GetID(), att->Texture->Name); - - if (irb) { - /* just release the region */ - intel->pipe->region_release(intel->pipe, &irb->Base.surface->region); - } - else if (att->Renderbuffer) { - /* software fallback */ - _mesa_finish_render_texture(ctx, att); - /* XXX FBO: Need to unmap the buffer (or in intelSpanRenderStart???) */ - } -} - - -/** - * Do one-time context initializations related to GL_EXT_framebuffer_object. - * Hook in device driver functions. - */ -void -intel_fbo_init(struct intel_context *intel) -{ - intel->ctx.Driver.NewFramebuffer = intel_new_framebuffer; - intel->ctx.Driver.NewRenderbuffer = intel_new_renderbuffer; - intel->ctx.Driver.BindFramebuffer = intel_bind_framebuffer; - intel->ctx.Driver.FramebufferRenderbuffer = intel_framebuffer_renderbuffer; - intel->ctx.Driver.RenderTexture = intel_render_texture; - intel->ctx.Driver.FinishRenderTexture = intel_finish_render_texture; - intel->ctx.Driver.ResizeBuffers = intel_resize_buffers; -} diff --git a/src/mesa/drivers/dri/intel_winsys/intel_fbo.h b/src/mesa/drivers/dri/intel_winsys/intel_fbo.h deleted file mode 100644 index 0487c27600..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_fbo.h +++ /dev/null @@ -1,99 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 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. - * - **************************************************************************/ - -#ifndef INTEL_FBO_H -#define INTEL_FBO_H - - -#include "pipe/p_state.h" -#include "pipe/softpipe/sp_surface.h" - - -struct intel_context; -struct pipe_region; - -#if 0 -/** - * Intel framebuffer, derived from gl_framebuffer. - */ -struct intel_framebuffer -{ - struct gl_framebuffer Base; - - /* Drawable page flipping state */ - GLboolean pf_active; - GLuint pf_seq; - GLint pf_pipes; - GLint pf_current_page; - GLint pf_num_pages; - - /* VBI - */ - GLuint vbl_seq; - GLuint vblank_flags; - GLuint vbl_waited; - - int64_t swap_ust; - int64_t swap_missed_ust; - - GLuint swap_count; - GLuint swap_missed_count; - - GLuint vbl_pending[3]; /**< [number of color buffers] */ -}; -#endif - - -/** - * Intel renderbuffer, derived from gl_renderbuffer. - * Note: The PairedDepth and PairedStencil fields use renderbuffer IDs, - * not pointers because in some circumstances a deleted renderbuffer could - * result in a dangling pointer here. - */ -#if 0 -struct intel_renderbuffer -{ - struct gl_renderbuffer Base; -}; -#endif - -#if 0 -extern struct intel_renderbuffer *intel_new_renderbuffer_fb(GLuint intFormat); -#endif - -extern void intel_fbo_init(struct intel_context *intel); - - -extern struct pipe_surface * -intel_new_surface(struct pipe_context *pipe, GLuint pipeFormat); - - -extern const GLuint * -intel_supported_formats(struct pipe_context *pipe, GLuint *numFormats); - - -#endif /* INTEL_FBO_H */ |