X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fintel_fbo.c;h=12cc7e3a71b42d4dec07e0b50931c04ea606139d;hb=0febd0ecfd1e2a36381ab7793811b9c7891ed82f;hp=a19f86dcc576950a6390c17dce540cb4a9f44e5e;hpb=a7d9fde24cb8ecc59b0a6fc610135d851806295b;p=mesa.git diff --git a/src/mesa/drivers/dri/i915/intel_fbo.c b/src/mesa/drivers/dri/i915/intel_fbo.c deleted file mode 120000 index a19f86dcc57..00000000000 --- a/src/mesa/drivers/dri/i915/intel_fbo.c +++ /dev/null @@ -1 +0,0 @@ -../intel/intel_fbo.c \ No newline at end of file diff --git a/src/mesa/drivers/dri/i915/intel_fbo.c b/src/mesa/drivers/dri/i915/intel_fbo.c new file mode 100644 index 00000000000..12cc7e3a71b --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_fbo.c @@ -0,0 +1,785 @@ +/************************************************************************** + * + * Copyright 2006 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. + * + **************************************************************************/ + + +#include "main/enums.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/fbobject.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/context.h" +#include "main/teximage.h" +#include "main/image.h" + +#include "swrast/swrast.h" +#include "drivers/common/meta.h" + +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_buffers.h" +#include "intel_blit.h" +#include "intel_fbo.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" +#include "intel_tex.h" + +#define FILE_DEBUG_FLAG DEBUG_FBO + +static struct gl_renderbuffer * +intel_new_renderbuffer(struct gl_context * ctx, GLuint name); + +struct intel_region* +intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex) +{ + struct intel_renderbuffer *irb = intel_get_renderbuffer(fb, attIndex); + if (irb && irb->mt) + return irb->mt->region; + else + return NULL; +} + +/** + * Create a new framebuffer object. + */ +static struct gl_framebuffer * +intel_new_framebuffer(struct gl_context * ctx, GLuint name) +{ + /* Only drawable state in intel_framebuffer at this time, just use Mesa's + * class + */ + return _mesa_new_framebuffer(ctx, name); +} + + +/** Called by gl_renderbuffer::Delete() */ +static void +intel_delete_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb) +{ + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + + assert(irb); + + intel_miptree_release(&irb->mt); + + _mesa_delete_renderbuffer(ctx, rb); +} + +/** + * \see dd_function_table::MapRenderbuffer + */ +static void +intel_map_renderbuffer(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint x, GLuint y, GLuint w, GLuint h, + GLbitfield mode, + GLubyte **out_map, + GLint *out_stride) +{ + struct intel_context *intel = intel_context(ctx); + struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb; + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + void *map; + int stride; + + if (srb->Buffer) { + /* this is a malloc'd renderbuffer (accum buffer), not an irb */ + GLint bpp = _mesa_get_format_bytes(rb->Format); + GLint rowStride = srb->RowStride; + *out_map = (GLubyte *) srb->Buffer + y * rowStride + x * bpp; + *out_stride = rowStride; + return; + } + + intel_prepare_render(intel); + + /* For a window-system renderbuffer, we need to flip the mapping we receive + * upside-down. So we need to ask for a rectangle on flipped vertically, and + * we then return a pointer to the bottom of it with a negative stride. + */ + if (rb->Name == 0) { + y = rb->Height - y - h; + } + + intel_miptree_map(intel, irb->mt, irb->mt_level, irb->mt_layer, + x, y, w, h, mode, &map, &stride); + + if (rb->Name == 0) { + map += (h - 1) * stride; + stride = -stride; + } + + DBG("%s: rb %d (%s) mt mapped: (%d, %d) (%dx%d) -> %p/%d\n", + __func__, rb->Name, _mesa_get_format_name(rb->Format), + x, y, w, h, map, stride); + + *out_map = map; + *out_stride = stride; +} + +/** + * \see dd_function_table::UnmapRenderbuffer + */ +static void +intel_unmap_renderbuffer(struct gl_context *ctx, + struct gl_renderbuffer *rb) +{ + struct intel_context *intel = intel_context(ctx); + struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb; + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + + DBG("%s: rb %d (%s)\n", __func__, + rb->Name, _mesa_get_format_name(rb->Format)); + + if (srb->Buffer) { + /* this is a malloc'd renderbuffer (accum buffer) */ + /* nothing to do */ + return; + } + + intel_miptree_unmap(intel, irb->mt, irb->mt_level, irb->mt_layer); +} + +static mesa_format +intel_renderbuffer_format(struct gl_context * ctx, GLenum internalFormat) +{ + struct intel_context *intel = intel_context(ctx); + + switch (internalFormat) { + default: + /* Use the same format-choice logic as for textures. + * Renderbuffers aren't any different from textures for us, + * except they're less useful because you can't texture with + * them. + */ + return intel->ctx.Driver.ChooseTextureFormat(ctx, GL_TEXTURE_2D, + internalFormat, + GL_NONE, GL_NONE); + + case GL_DEPTH_COMPONENT16: + return MESA_FORMAT_Z_UNORM16; + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + return MESA_FORMAT_Z24_UNORM_X8_UINT; + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + case GL_STENCIL_INDEX: + case GL_STENCIL_INDEX1_EXT: + case GL_STENCIL_INDEX4_EXT: + case GL_STENCIL_INDEX8_EXT: + case GL_STENCIL_INDEX16_EXT: + /* These aren't actual texture formats, so force them here. */ + return MESA_FORMAT_Z24_UNORM_S8_UINT; + } +} + +static GLboolean +intel_alloc_private_renderbuffer_storage(struct gl_context * 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); + + assert(rb->Format != MESA_FORMAT_NONE); + + rb->Width = width; + rb->Height = height; + rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat); + + intel_miptree_release(&irb->mt); + + DBG("%s: %s: %s (%dx%d)\n", __func__, + _mesa_enum_to_string(internalFormat), + _mesa_get_format_name(rb->Format), width, height); + + if (width == 0 || height == 0) + return true; + + irb->mt = intel_miptree_create_for_renderbuffer(intel, rb->Format, + width, height); + if (!irb->mt) + return false; + + return true; +} + +/** + * Called via glRenderbufferStorageEXT() to set the format and allocate + * storage for a user-created renderbuffer. + */ +static GLboolean +intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, GLuint height) +{ + rb->Format = intel_renderbuffer_format(ctx, internalFormat); + return intel_alloc_private_renderbuffer_storage(ctx, rb, internalFormat, width, height); +} + +static void +intel_image_target_renderbuffer_storage(struct gl_context *ctx, + struct gl_renderbuffer *rb, + void *image_handle) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_renderbuffer *irb; + __DRIscreen *screen; + __DRIimage *image; + + screen = intel->intelScreen->driScrnPriv; + image = screen->dri2.image->lookupEGLImage(screen, image_handle, + screen->loaderPrivate); + if (image == NULL) + return; + + /* __DRIimage is opaque to the core so it has to be checked here */ + switch (image->format) { + case MESA_FORMAT_R8G8B8A8_UNORM: + _mesa_error(&intel->ctx, GL_INVALID_OPERATION, + "glEGLImageTargetRenderbufferStorage(unsupported image format"); + return; + break; + default: + break; + } + + irb = intel_renderbuffer(rb); + intel_miptree_release(&irb->mt); + irb->mt = intel_miptree_create_for_bo(intel, + image->region->bo, + image->format, + image->offset, + image->region->width, + image->region->height, + image->region->pitch, + image->region->tiling); + if (!irb->mt) + return; + + rb->InternalFormat = image->internal_format; + rb->Width = image->region->width; + rb->Height = image->region->height; + rb->Format = image->format; + rb->_BaseFormat = _mesa_get_format_base_format(image->format); + rb->NeedsFinishRenderTexture = true; +} + +/** + * Called by _mesa_resize_framebuffer() for each hardware renderbuffer when a + * window system framebuffer is resized. + * + * Any actual buffer reallocations for hardware renderbuffers (which would + * have triggered _mesa_resize_framebuffer()) were done by + * intel_process_dri2_buffer(). + */ +static GLboolean +intel_alloc_window_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + assert(rb->Name == 0); + rb->Width = width; + rb->Height = height; + rb->InternalFormat = internalFormat; + + return true; +} + +/** Dummy function for gl_renderbuffer::AllocStorage() */ +static GLboolean +intel_nop_alloc_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + _mesa_problem(ctx, "intel_op_alloc_storage should never be called."); + return false; +} + +/** + * Create a new intel_renderbuffer which corresponds to an on-screen window, + * not a user-created renderbuffer. + */ +struct intel_renderbuffer * +intel_create_renderbuffer(mesa_format format) +{ + struct intel_renderbuffer *irb; + struct gl_renderbuffer *rb; + + GET_CURRENT_CONTEXT(ctx); + + irb = CALLOC_STRUCT(intel_renderbuffer); + if (!irb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); + return NULL; + } + + rb = &irb->Base.Base; + + _mesa_init_renderbuffer(rb, 0); + rb->ClassID = INTEL_RB_CLASS; + rb->_BaseFormat = _mesa_get_format_base_format(format); + rb->Format = format; + rb->InternalFormat = rb->_BaseFormat; + + /* intel-specific methods */ + rb->Delete = intel_delete_renderbuffer; + rb->AllocStorage = intel_alloc_window_storage; + + return irb; +} + +/** + * Private window-system buffers (as opposed to ones shared with the display + * server created with intel_create_renderbuffer()) are most similar in their + * handling to user-created renderbuffers, but they have a resize handler that + * may be called at intel_update_renderbuffers() time. + */ +struct intel_renderbuffer * +intel_create_private_renderbuffer(mesa_format format) +{ + struct intel_renderbuffer *irb; + + irb = intel_create_renderbuffer(format); + irb->Base.Base.AllocStorage = intel_alloc_private_renderbuffer_storage; + + return irb; +} + +/** + * Create a new renderbuffer object. + * Typically called via glBindRenderbufferEXT(). + */ +static struct gl_renderbuffer * +intel_new_renderbuffer(struct gl_context * ctx, GLuint name) +{ + /*struct intel_context *intel = intel_context(ctx); */ + struct intel_renderbuffer *irb; + struct gl_renderbuffer *rb; + + irb = CALLOC_STRUCT(intel_renderbuffer); + if (!irb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); + return NULL; + } + + rb = &irb->Base.Base; + + _mesa_init_renderbuffer(rb, name); + rb->ClassID = INTEL_RB_CLASS; + + /* intel-specific methods */ + rb->Delete = intel_delete_renderbuffer; + rb->AllocStorage = intel_alloc_renderbuffer_storage; + /* span routines set in alloc_storage function */ + + return rb; +} + + +/** + * Called via glBindFramebufferEXT(). + */ +static void +intel_bind_framebuffer(struct gl_context * 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); + } + else { + /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */ + } +} + + +/** + * Called via glFramebufferRenderbufferEXT(). + */ +static void +intel_framebuffer_renderbuffer(struct gl_context * ctx, + struct gl_framebuffer *fb, + GLenum attachment, struct gl_renderbuffer *rb) +{ + DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0); + + _mesa_FramebufferRenderbuffer_sw(ctx, fb, attachment, rb); + intel_draw_buffer(ctx); +} + +static bool +intel_renderbuffer_update_wrapper(struct intel_context *intel, + struct intel_renderbuffer *irb, + struct gl_texture_image *image, + uint32_t layer) +{ + struct gl_renderbuffer *rb = &irb->Base.Base; + struct intel_texture_image *intel_image = intel_texture_image(image); + struct intel_mipmap_tree *mt = intel_image->mt; + int level = image->Level; + + rb->AllocStorage = intel_nop_alloc_storage; + + intel_miptree_check_level_layer(mt, level, layer); + irb->mt_level = level; + irb->mt_layer = layer; + + intel_miptree_reference(&irb->mt, mt); + + intel_renderbuffer_set_draw_offset(irb); + + return true; +} + +void +intel_renderbuffer_set_draw_offset(struct intel_renderbuffer *irb) +{ + unsigned int dst_x, dst_y; + + /* compute offset of the particular 2D image within the texture region */ + intel_miptree_get_image_offset(irb->mt, + irb->mt_level, + irb->mt_layer, + &dst_x, &dst_y); + + irb->draw_x = dst_x; + irb->draw_y = dst_y; +} + +/** + * 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(struct gl_context * ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att) +{ + struct intel_context *intel = intel_context(ctx); + struct gl_renderbuffer *rb = att->Renderbuffer; + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + struct gl_texture_image *image = rb->TexImage; + struct intel_texture_image *intel_image = intel_texture_image(image); + struct intel_mipmap_tree *mt = intel_image->mt; + int layer; + + (void) fb; + + if (att->CubeMapFace > 0) { + assert(att->Zoffset == 0); + layer = att->CubeMapFace; + } else { + layer = att->Zoffset; + } + + if (!intel_image->mt) { + /* Fallback on drawing to a texture that doesn't have a miptree + * (has a border, width/height 0, etc.) + */ + _swrast_render_texture(ctx, fb, att); + return; + } + + intel_miptree_check_level_layer(mt, att->TextureLevel, layer); + + if (!intel_renderbuffer_update_wrapper(intel, irb, image, layer)) { + _swrast_render_texture(ctx, fb, att); + return; + } + + DBG("Begin render %s texture tex=%u w=%d h=%d d=%d refcount=%d\n", + _mesa_get_format_name(image->TexFormat), + att->Texture->Name, image->Width, image->Height, image->Depth, + rb->RefCount); + + /* update drawing region, etc */ + intel_draw_buffer(ctx); +} + + +/** + * Called by Mesa when rendering to a texture is done. + */ +static void +intel_finish_render_texture(struct gl_context * ctx, struct gl_renderbuffer *rb) +{ + struct intel_context *intel = intel_context(ctx); + + DBG("Finish render %s texture\n", _mesa_get_format_name(rb->Format)); + + /* Since we've (probably) rendered to the texture and will (likely) use + * it in the texture domain later on in this batchbuffer, flush the + * batch. Once again, we wish for a domain tracker in libdrm to cover + * usage inside of a batchbuffer like GEM does in the kernel. + */ + intel_batchbuffer_emit_mi_flush(intel); +} + +#define fbo_incomplete(fb, ...) do { \ + static GLuint msg_id = 0; \ + if (unlikely(ctx->Const.ContextFlags & GL_CONTEXT_FLAG_DEBUG_BIT)) { \ + _mesa_gl_debug(ctx, &msg_id, \ + MESA_DEBUG_SOURCE_API, \ + MESA_DEBUG_TYPE_OTHER, \ + MESA_DEBUG_SEVERITY_MEDIUM, \ + __VA_ARGS__); \ + } \ + DBG(__VA_ARGS__); \ + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED; \ + } while (0) + +/** + * Do additional "completeness" testing of a framebuffer object. + */ +static void +intel_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_renderbuffer *depthRb = + intel_get_renderbuffer(fb, BUFFER_DEPTH); + struct intel_renderbuffer *stencilRb = + intel_get_renderbuffer(fb, BUFFER_STENCIL); + struct intel_mipmap_tree *depth_mt = NULL, *stencil_mt = NULL; + int i; + + DBG("%s() on fb %p (%s)\n", __func__, + fb, (fb == ctx->DrawBuffer ? "drawbuffer" : + (fb == ctx->ReadBuffer ? "readbuffer" : "other buffer"))); + + if (depthRb) + depth_mt = depthRb->mt; + if (stencilRb) + stencil_mt = stencilRb->mt; + + if (depth_mt && stencil_mt) { + /* Make sure that the depth and stencil buffers are actually the same + * slice of the same miptree, since we only support packed + * depth/stencil. + */ + if (depth_mt == stencil_mt) { + if (depthRb->mt_level != stencilRb->mt_level || + depthRb->mt_layer != stencilRb->mt_layer) { + fbo_incomplete(fb, + "FBO incomplete: depth image level/layer %d/%d != " + "stencil image %d/%d\n", + depthRb->mt_level, + depthRb->mt_layer, + stencilRb->mt_level, + stencilRb->mt_layer); + } + } else { + fbo_incomplete(fb, "FBO incomplete: separate stencil unsupported\n"); + } + } + + for (i = 0; i < ARRAY_SIZE(fb->Attachment); i++) { + struct gl_renderbuffer *rb; + struct intel_renderbuffer *irb; + + if (fb->Attachment[i].Type == GL_NONE) + continue; + + /* A supported attachment will have a Renderbuffer set either + * from being a Renderbuffer or being a texture that got the + * intel_wrap_texture() treatment. + */ + rb = fb->Attachment[i].Renderbuffer; + if (rb == NULL) { + fbo_incomplete(fb, "FBO incomplete: attachment without " + "renderbuffer\n"); + continue; + } + + if (fb->Attachment[i].Type == GL_TEXTURE) { + if (rb->TexImage->Border) { + fbo_incomplete(fb, "FBO incomplete: texture with border\n"); + continue; + } + } + + irb = intel_renderbuffer(rb); + if (irb == NULL) { + fbo_incomplete(fb, "FBO incomplete: software rendering " + "renderbuffer\n"); + continue; + } + + if (!intel->vtbl.render_target_supported(intel, rb)) { + fbo_incomplete(fb, "FBO incomplete: Unsupported HW " + "texture/renderbuffer format attached: %s\n", + _mesa_get_format_name(intel_rb_format(irb))); + } + } +} + +/** + * Try to do a glBlitFramebuffer using glCopyTexSubImage2D + * We can do this when the dst renderbuffer is actually a texture and + * there is no scaling, mirroring or scissoring. + * + * \return new buffer mask indicating the buffers left to blit using the + * normal path. + */ +static GLbitfield +intel_blit_framebuffer_with_blitter(struct gl_context *ctx, + const struct gl_framebuffer *readFb, + const struct gl_framebuffer *drawFb, + GLint srcX0, GLint srcY0, + GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, + GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + struct intel_context *intel = intel_context(ctx); + + /* Sync up the state of window system buffers. We need to do this before + * we go looking for the buffers. + */ + intel_prepare_render(intel); + + if (mask & GL_COLOR_BUFFER_BIT) { + GLint i; + struct gl_renderbuffer *src_rb = readFb->_ColorReadBuffer; + struct intel_renderbuffer *src_irb = intel_renderbuffer(src_rb); + + if (!src_irb) { + perf_debug("glBlitFramebuffer(): missing src renderbuffer. " + "Falling back to software rendering.\n"); + return mask; + } + + /* If the source and destination are the same size with no mirroring, + * the rectangles are within the size of the texture and there is no + * scissor, then we can probably use the blit engine. + */ + if (!(srcX0 - srcX1 == dstX0 - dstX1 && + srcY0 - srcY1 == dstY0 - dstY1 && + srcX1 >= srcX0 && + srcY1 >= srcY0 && + srcX0 >= 0 && srcX1 <= readFb->Width && + srcY0 >= 0 && srcY1 <= readFb->Height && + dstX0 >= 0 && dstX1 <= drawFb->Width && + dstY0 >= 0 && dstY1 <= drawFb->Height && + !ctx->Scissor.EnableFlags)) { + perf_debug("glBlitFramebuffer(): non-1:1 blit. " + "Falling back to software rendering.\n"); + return mask; + } + + /* Blit to all active draw buffers. We don't do any pre-checking, + * because we assume that copying to MRTs is rare, and failure midway + * through copying is even more rare. Even if it was to occur, it's + * safe to let meta start the copy over from scratch, because + * glBlitFramebuffer completely overwrites the destination pixels, and + * results are undefined if any destination pixels have a dependency on + * source pixels. + */ + for (i = 0; i < drawFb->_NumColorDrawBuffers; i++) { + struct gl_renderbuffer *dst_rb = drawFb->_ColorDrawBuffers[i]; + struct intel_renderbuffer *dst_irb = intel_renderbuffer(dst_rb); + + if (!dst_irb) { + perf_debug("glBlitFramebuffer(): missing dst renderbuffer. " + "Falling back to software rendering.\n"); + return mask; + } + + mesa_format src_format = _mesa_get_srgb_format_linear(src_rb->Format); + mesa_format dst_format = _mesa_get_srgb_format_linear(dst_rb->Format); + if (src_format != dst_format) { + perf_debug("glBlitFramebuffer(): unsupported blit from %s to %s. " + "Falling back to software rendering.\n", + _mesa_get_format_name(src_format), + _mesa_get_format_name(dst_format)); + return mask; + } + + if (!intel_miptree_blit(intel, + src_irb->mt, + src_irb->mt_level, src_irb->mt_layer, + srcX0, srcY0, src_rb->Name == 0, + dst_irb->mt, + dst_irb->mt_level, dst_irb->mt_layer, + dstX0, dstY0, dst_rb->Name == 0, + dstX1 - dstX0, dstY1 - dstY0, GL_COPY)) { + perf_debug("glBlitFramebuffer(): unknown blit failure. " + "Falling back to software rendering.\n"); + return mask; + } + } + + mask &= ~GL_COLOR_BUFFER_BIT; + } + + return mask; +} + +static void +intel_blit_framebuffer(struct gl_context *ctx, + struct gl_framebuffer *readFb, + struct gl_framebuffer *drawFb, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + /* Try using the BLT engine. */ + mask = intel_blit_framebuffer_with_blitter(ctx, readFb, drawFb, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter); + if (mask == 0x0) + return; + + + _mesa_meta_and_swrast_BlitFramebuffer(ctx, readFb, drawFb, + srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, + mask, filter); +} + +/** + * 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.MapRenderbuffer = intel_map_renderbuffer; + intel->ctx.Driver.UnmapRenderbuffer = intel_unmap_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.ValidateFramebuffer = intel_validate_framebuffer; + intel->ctx.Driver.BlitFramebuffer = intel_blit_framebuffer; + intel->ctx.Driver.EGLImageTargetRenderbufferStorage = + intel_image_target_renderbuffer_storage; +}