diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_fbo.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_fbo.c | 615 |
1 files changed, 615 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_fbo.c b/src/mesa/drivers/dri/radeon/radeon_fbo.c new file mode 100644 index 0000000000..f28efa33e9 --- /dev/null +++ b/src/mesa/drivers/dri/radeon/radeon_fbo.c @@ -0,0 +1,615 @@ +/************************************************************************** + * + * Copyright 2008 Red Hat 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 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/macros.h" +#include "main/mtypes.h" +#include "main/fbobject.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/context.h" +#include "main/texformat.h" +#include "main/texrender.h" + +#include "radeon_common.h" +#include "radeon_mipmap_tree.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE +#define DBG(...) do { \ + if (RADEON_DEBUG & FILE_DEBUG_FLAG) \ + _mesa_printf(__VA_ARGS__); \ +} while(0) + +static struct gl_framebuffer * +radeon_new_framebuffer(GLcontext *ctx, GLuint name) +{ + return _mesa_new_framebuffer(ctx, name); +} + +static void +radeon_delete_renderbuffer(struct gl_renderbuffer *rb) +{ + struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb); + + ASSERT(rrb); + + if (rrb && rrb->bo) { + radeon_bo_unref(rrb->bo); + } + _mesa_free(rrb); +} + +static void * +radeon_get_pointer(GLcontext *ctx, struct gl_renderbuffer *rb, + GLint x, GLint y) +{ + return NULL; +} + +/** + * Called via glRenderbufferStorageEXT() to set the format and allocate + * storage for a user-created renderbuffer. + */ +static GLboolean +radeon_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, GLuint height) +{ + struct radeon_context *radeon = RADEON_CONTEXT(ctx); + struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb); + GLboolean software_buffer = GL_FALSE; + int cpp; + + ASSERT(rb->Name != 0); + 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: + rb->_ActualFormat = GL_RGB8; + rb->DataType = GL_UNSIGNED_BYTE; + rb->RedBits = 8; + rb->GreenBits = 8; + rb->BlueBits = 8; + rb->AlphaBits = 0; + cpp = 4; + break; + 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_DEPTH_COMPONENT24; + rb->DataType = GL_UNSIGNED_INT; + 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 in intel_alloc_renderbuffer_storage"); + return GL_FALSE; + } + + if (ctx->Driver.Flush) + ctx->Driver.Flush(ctx); /* +r6/r7 */ + + if (rrb->bo) + radeon_bo_unref(rrb->bo); + + + if (software_buffer) { + return _mesa_soft_renderbuffer_storage(ctx, rb, internalFormat, + width, height); + } + else { + uint32_t size = width * height * cpp; + uint32_t pitch = ((cpp * width + 63) & ~63) / cpp; + + fprintf(stderr,"Allocating %d x %d radeon RBO (pitch %d)\n", width, + height, pitch); + + rrb->pitch = pitch * cpp; + rrb->cpp = cpp; +#ifdef RADEON_DEBUG_BO + rrb->bo = radeon_bo_open(radeon->radeonScreen->bom, + 0, + size, + 0, + RADEON_GEM_DOMAIN_VRAM, + 0, + "Radeon RBO"); +#else + rrb->bo = radeon_bo_open(radeon->radeonScreen->bom, + 0, + size, + 0, + RADEON_GEM_DOMAIN_VRAM, + 0); +#endif /* RADEON_DEBUG_BO */ + rb->Width = width; + rb->Height = height; + return GL_TRUE; + } + +} + + +/** + * Called for each hardware renderbuffer when a _window_ is resized. + * Just update fields. + * Not used for user-created renderbuffers! + */ +static GLboolean +radeon_alloc_window_storage(GLcontext * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + ASSERT(rb->Name == 0); + rb->Width = width; + rb->Height = height; + rb->_ActualFormat = internalFormat; + + return GL_TRUE; +} + + +static void +radeon_resize_buffers(GLcontext *ctx, struct gl_framebuffer *fb, + GLuint width, GLuint height) +{ + struct radeon_framebuffer *radeon_fb = (struct radeon_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 */ + for (i = 0; i < 2; i++) { + struct gl_renderbuffer *rb = &radeon_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); + } + } +} + + +/** Dummy function for gl_renderbuffer::AllocStorage() */ +static GLboolean +radeon_nop_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + _mesa_problem(ctx, "radeon_op_alloc_storage should never be called."); + return GL_FALSE; +} + +struct radeon_renderbuffer * +radeon_create_renderbuffer(GLenum format, __DRIdrawablePrivate *driDrawPriv) +{ + struct radeon_renderbuffer *rrb; + + rrb = CALLOC_STRUCT(radeon_renderbuffer); + if (!rrb) + return NULL; + + _mesa_init_renderbuffer(&rrb->base, 0); + rrb->base.ClassID = RADEON_RB_CLASS; + + /* XXX format junk */ + switch (format) { + case GL_RGB5: + rrb->base._ActualFormat = GL_RGB5; + rrb->base._BaseFormat = GL_RGBA; + rrb->base.RedBits = 5; + rrb->base.GreenBits = 6; + rrb->base.BlueBits = 5; + rrb->base.DataType = GL_UNSIGNED_BYTE; + break; + case GL_RGB8: + rrb->base._ActualFormat = GL_RGB8; + rrb->base._BaseFormat = GL_RGB; + rrb->base.RedBits = 8; + rrb->base.GreenBits = 8; + rrb->base.BlueBits = 8; + rrb->base.AlphaBits = 8; + rrb->base.DataType = GL_UNSIGNED_BYTE; + break; + case GL_RGBA8: + rrb->base._ActualFormat = GL_RGBA8; + rrb->base._BaseFormat = GL_RGBA; + rrb->base.RedBits = 8; + rrb->base.GreenBits = 8; + rrb->base.BlueBits = 8; + rrb->base.AlphaBits = 8; + rrb->base.DataType = GL_UNSIGNED_BYTE; + break; + case GL_STENCIL_INDEX8_EXT: + rrb->base._ActualFormat = GL_STENCIL_INDEX8_EXT; + rrb->base._BaseFormat = GL_STENCIL_INDEX; + rrb->base.StencilBits = 8; + rrb->base.DataType = GL_UNSIGNED_BYTE; + break; + case GL_DEPTH_COMPONENT16: + rrb->base._ActualFormat = GL_DEPTH_COMPONENT16; + rrb->base._BaseFormat = GL_DEPTH_COMPONENT; + rrb->base.DepthBits = 16; + rrb->base.DataType = GL_UNSIGNED_SHORT; + break; + case GL_DEPTH_COMPONENT24: + rrb->base._ActualFormat = GL_DEPTH_COMPONENT24; + rrb->base._BaseFormat = GL_DEPTH_COMPONENT; + rrb->base.DepthBits = 24; + rrb->base.DataType = GL_UNSIGNED_INT; + break; + case GL_DEPTH24_STENCIL8_EXT: + rrb->base._ActualFormat = GL_DEPTH24_STENCIL8_EXT; + rrb->base._BaseFormat = GL_DEPTH_STENCIL_EXT; + rrb->base.DepthBits = 24; + rrb->base.StencilBits = 8; + rrb->base.DataType = GL_UNSIGNED_INT_24_8_EXT; + break; + default: + fprintf(stderr, "%s: Unknown format 0x%04x\n", __FUNCTION__, format); + _mesa_delete_renderbuffer(&rrb->base); + return NULL; + } + + rrb->dPriv = driDrawPriv; + rrb->base.InternalFormat = format; + + rrb->base.Delete = radeon_delete_renderbuffer; + rrb->base.AllocStorage = radeon_alloc_window_storage; + rrb->base.GetPointer = radeon_get_pointer; + + rrb->bo = NULL; + return rrb; +} + +static struct gl_renderbuffer * +radeon_new_renderbuffer(GLcontext * ctx, GLuint name) +{ + struct radeon_renderbuffer *rrb; + + rrb = CALLOC_STRUCT(radeon_renderbuffer); + if (!rrb) + return NULL; + + _mesa_init_renderbuffer(&rrb->base, name); + rrb->base.ClassID = RADEON_RB_CLASS; + + rrb->base.Delete = radeon_delete_renderbuffer; + rrb->base.AllocStorage = radeon_alloc_renderbuffer_storage; + rrb->base.GetPointer = radeon_get_pointer; + + return &rrb->base; +} + +static void +radeon_bind_framebuffer(GLcontext * ctx, GLenum target, + struct gl_framebuffer *fb, struct gl_framebuffer *fbread) +{ + if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) { + radeon_draw_buffer(ctx, fb); + } + else { + /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */ + } +} + +static void +radeon_framebuffer_renderbuffer(GLcontext * ctx, + struct gl_framebuffer *fb, + GLenum attachment, struct gl_renderbuffer *rb) +{ + + if (ctx->Driver.Flush) + ctx->Driver.Flush(ctx); /* +r6/r7 */ + + _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); + radeon_draw_buffer(ctx, fb); +} + + +static GLboolean +radeon_update_wrapper(GLcontext *ctx, struct radeon_renderbuffer *rrb, + struct gl_texture_image *texImage) +{ + int retry = 0; +restart: + if (texImage->TexFormat == &_mesa_texformat_argb8888) { + rrb->cpp = 4; + rrb->base._ActualFormat = GL_RGBA8; + rrb->base._BaseFormat = GL_RGBA; + rrb->base.DataType = GL_UNSIGNED_BYTE; + DBG("Render to RGBA8 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_rgb565) { + rrb->cpp = 2; + rrb->base._ActualFormat = GL_RGB5; + rrb->base._BaseFormat = GL_RGB; + rrb->base.DataType = GL_UNSIGNED_SHORT; + DBG("Render to RGB5 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_argb1555) { + rrb->cpp = 2; + rrb->base._ActualFormat = GL_RGB5_A1; + rrb->base._BaseFormat = GL_RGBA; + rrb->base.DataType = GL_UNSIGNED_BYTE; + DBG("Render to ARGB1555 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_argb4444) { + rrb->cpp = 2; + rrb->base._ActualFormat = GL_RGBA4; + rrb->base._BaseFormat = GL_RGBA; + rrb->base.DataType = GL_UNSIGNED_BYTE; + DBG("Render to ARGB1555 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_z16) { + rrb->cpp = 2; + rrb->base._ActualFormat = GL_DEPTH_COMPONENT16; + rrb->base._BaseFormat = GL_DEPTH_COMPONENT; + rrb->base.DataType = GL_UNSIGNED_SHORT; + DBG("Render to DEPTH16 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_s8_z24) { + rrb->cpp = 4; + rrb->base._ActualFormat = GL_DEPTH24_STENCIL8_EXT; + rrb->base._BaseFormat = GL_DEPTH_STENCIL_EXT; + rrb->base.DataType = GL_UNSIGNED_INT_24_8_EXT; + DBG("Render to DEPTH_STENCIL texture OK\n"); + } + else { + /* try redoing the FBO */ + if (retry == 1) { + DBG("Render to texture BAD FORMAT %d\n", + texImage->TexFormat->MesaFormat); + return GL_FALSE; + } + texImage->TexFormat = radeonChooseTextureFormat(ctx, texImage->InternalFormat, 0, + texImage->TexFormat->DataType, + 1); + + retry++; + goto restart; + } + + rrb->pitch = texImage->Width * rrb->cpp; + rrb->base.InternalFormat = rrb->base._ActualFormat; + rrb->base.Width = texImage->Width; + rrb->base.Height = texImage->Height; + rrb->base.RedBits = texImage->TexFormat->RedBits; + rrb->base.GreenBits = texImage->TexFormat->GreenBits; + rrb->base.BlueBits = texImage->TexFormat->BlueBits; + rrb->base.AlphaBits = texImage->TexFormat->AlphaBits; + rrb->base.DepthBits = texImage->TexFormat->DepthBits; + rrb->base.StencilBits = texImage->TexFormat->StencilBits; + + rrb->base.Delete = radeon_delete_renderbuffer; + rrb->base.AllocStorage = radeon_nop_alloc_storage; + + return GL_TRUE; +} + + +static struct radeon_renderbuffer * +radeon_wrap_texture(GLcontext * ctx, struct gl_texture_image *texImage) +{ + const GLuint name = ~0; /* not significant, but distinct for debugging */ + struct radeon_renderbuffer *rrb; + + /* make an radeon_renderbuffer to wrap the texture image */ + rrb = CALLOC_STRUCT(radeon_renderbuffer); + if (!rrb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture"); + return NULL; + } + + _mesa_init_renderbuffer(&rrb->base, name); + rrb->base.ClassID = RADEON_RB_CLASS; + + if (!radeon_update_wrapper(ctx, rrb, texImage)) { + _mesa_free(rrb); + return NULL; + } + + return rrb; + +} +static void +radeon_render_texture(GLcontext * ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att) +{ + struct gl_texture_image *newImage + = att->Texture->Image[att->CubeMapFace][att->TextureLevel]; + struct radeon_renderbuffer *rrb = radeon_renderbuffer(att->Renderbuffer); + radeon_texture_image *radeon_image; + GLuint imageOffset; + + (void) fb; + + ASSERT(newImage); + + if (newImage->Border != 0) { + /* Fallback on drawing to a texture with a border, which won't have a + * miptree. + */ + _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); + _mesa_render_texture(ctx, fb, att); + return; + } + else if (!rrb) { + rrb = radeon_wrap_texture(ctx, newImage); + if (rrb) { + /* bind the wrapper to the attachment point */ + _mesa_reference_renderbuffer(&att->Renderbuffer, &rrb->base); + } + else { + /* fallback to software rendering */ + _mesa_render_texture(ctx, fb, att); + return; + } + } + + if (!radeon_update_wrapper(ctx, rrb, newImage)) { + _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); + _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, + rrb->base.RefCount); + + /* point the renderbufer's region to the texture image region */ + radeon_image = (radeon_texture_image *)newImage; + if (rrb->bo != radeon_image->mt->bo) { + if (rrb->bo) + radeon_bo_unref(rrb->bo); + rrb->bo = radeon_image->mt->bo; + radeon_bo_ref(rrb->bo); + } + + /* compute offset of the particular 2D image within the texture region */ + imageOffset = radeon_miptree_image_offset(radeon_image->mt, + att->CubeMapFace, + att->TextureLevel); + + if (att->Texture->Target == GL_TEXTURE_3D) { + GLuint offsets[6]; + radeon_miptree_depth_offsets(radeon_image->mt, att->TextureLevel, + offsets); + imageOffset += offsets[att->Zoffset]; + } + + /* store that offset in the region */ + rrb->draw_offset = imageOffset; + + /* update drawing region, etc */ + radeon_draw_buffer(ctx, fb); +} + +static void +radeon_finish_render_texture(GLcontext * ctx, + struct gl_renderbuffer_attachment *att) +{ + +} +static void +radeon_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb) +{ +} + +static void +radeon_blit_framebuffer(GLcontext *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ +} + +void radeon_fbo_init(struct radeon_context *radeon) +{ + radeon->glCtx->Driver.NewFramebuffer = radeon_new_framebuffer; + radeon->glCtx->Driver.NewRenderbuffer = radeon_new_renderbuffer; + radeon->glCtx->Driver.BindFramebuffer = radeon_bind_framebuffer; + radeon->glCtx->Driver.FramebufferRenderbuffer = radeon_framebuffer_renderbuffer; + radeon->glCtx->Driver.RenderTexture = radeon_render_texture; + radeon->glCtx->Driver.FinishRenderTexture = radeon_finish_render_texture; + radeon->glCtx->Driver.ResizeBuffers = radeon_resize_buffers; + radeon->glCtx->Driver.ValidateFramebuffer = radeon_validate_framebuffer; + radeon->glCtx->Driver.BlitFramebuffer = radeon_blit_framebuffer; +} + + +void radeon_renderbuffer_set_bo(struct radeon_renderbuffer *rb, + struct radeon_bo *bo) +{ + struct radeon_bo *old; + old = rb->bo; + rb->bo = bo; + radeon_bo_ref(bo); + if (old) + radeon_bo_unref(old); +} |