diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_tex_image.c')
| -rw-r--r--[l---------] | src/mesa/drivers/dri/i965/intel_tex_image.c | 400 |
1 files changed, 399 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c index 567abe4..b91b2b5 120000..100644 --- a/src/mesa/drivers/dri/i965/intel_tex_image.c +++ b/src/mesa/drivers/dri/i965/intel_tex_image.c @@ -1 +1,399 @@ -../intel/intel_tex_image.c
\ No newline at end of file + +#include "main/glheader.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/enums.h" +#include "main/bufferobj.h" +#include "main/context.h" +#include "main/formats.h" +#include "main/image.h" +#include "main/pbo.h" +#include "main/renderbuffer.h" +#include "main/texcompress.h" +#include "main/texgetimage.h" +#include "main/texobj.h" +#include "main/teximage.h" +#include "main/texstore.h" + +#include "intel_context.h" +#include "intel_mipmap_tree.h" +#include "intel_buffer_objects.h" +#include "intel_batchbuffer.h" +#include "intel_tex.h" +#include "intel_blit.h" +#include "intel_fbo.h" + +#ifndef I915 +#include "brw_context.h" +#endif + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +/* Work back from the specified level of the image to the baselevel and create a + * miptree of that size. + */ +struct intel_mipmap_tree * +intel_miptree_create_for_teximage(struct intel_context *intel, + struct intel_texture_object *intelObj, + struct intel_texture_image *intelImage, + bool expect_accelerated_upload) +{ + GLuint firstLevel; + GLuint lastLevel; + int width, height, depth; + GLuint i; + + intel_miptree_get_dimensions_for_image(&intelImage->base.Base, + &width, &height, &depth); + + DBG("%s\n", __FUNCTION__); + + if (intelImage->base.Base.Level > intelObj->base.BaseLevel && + (width == 1 || + (intelObj->base.Target != GL_TEXTURE_1D && height == 1) || + (intelObj->base.Target == GL_TEXTURE_3D && depth == 1))) { + /* For this combination, we're at some lower mipmap level and + * some important dimension is 1. We can't extrapolate up to a + * likely base level width/height/depth for a full mipmap stack + * from this info, so just allocate this one level. + */ + firstLevel = intelImage->base.Base.Level; + lastLevel = intelImage->base.Base.Level; + } else { + /* If this image disrespects BaseLevel, allocate from level zero. + * Usually BaseLevel == 0, so it's unlikely to happen. + */ + if (intelImage->base.Base.Level < intelObj->base.BaseLevel) + firstLevel = 0; + else + firstLevel = intelObj->base.BaseLevel; + + /* Figure out image dimensions at start level. */ + for (i = intelImage->base.Base.Level; i > firstLevel; i--) { + width <<= 1; + if (height != 1) + height <<= 1; + if (depth != 1) + depth <<= 1; + } + + /* Guess a reasonable value for lastLevel. This is probably going + * to be wrong fairly often and might mean that we have to look at + * resizable buffers, or require that buffers implement lazy + * pagetable arrangements. + */ + if ((intelObj->base.Sampler.MinFilter == GL_NEAREST || + intelObj->base.Sampler.MinFilter == GL_LINEAR) && + intelImage->base.Base.Level == firstLevel && + (intel->gen < 4 || firstLevel == 0)) { + lastLevel = firstLevel; + } else { + lastLevel = (firstLevel + + _mesa_get_tex_max_num_levels(intelObj->base.Target, + width, height, depth) - 1); + } + } + + return intel_miptree_create(intel, + intelObj->base.Target, + intelImage->base.Base.TexFormat, + firstLevel, + lastLevel, + width, + height, + depth, + expect_accelerated_upload, + intelImage->base.Base.NumSamples, + INTEL_MIPTREE_TILING_ANY); +} + +/* XXX: Do this for TexSubImage also: + */ +static bool +try_pbo_upload(struct gl_context *ctx, + struct gl_texture_image *image, + const struct gl_pixelstore_attrib *unpack, + GLenum format, GLenum type, const void *pixels) +{ + struct intel_texture_image *intelImage = intel_texture_image(image); + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); + GLuint src_offset; + drm_intel_bo *src_buffer; + + if (!_mesa_is_bufferobj(unpack->BufferObj)) + return false; + + DBG("trying pbo upload\n"); + + if (intel->ctx._ImageTransferState || + unpack->SkipPixels || unpack->SkipRows) { + DBG("%s: image transfer\n", __FUNCTION__); + return false; + } + + ctx->Driver.AllocTextureImageBuffer(ctx, image); + + if (!intelImage->mt) { + DBG("%s: no miptree\n", __FUNCTION__); + return false; + } + + if (!_mesa_format_matches_format_and_type(intelImage->mt->format, + format, type, false)) { + DBG("%s: format mismatch (upload to %s with format 0x%x, type 0x%x)\n", + __FUNCTION__, _mesa_get_format_name(intelImage->mt->format), + format, type); + return false; + } + + if (image->TexObject->Target == GL_TEXTURE_1D_ARRAY || + image->TexObject->Target == GL_TEXTURE_2D_ARRAY) { + DBG("%s: no support for array textures\n", __FUNCTION__); + return false; + } + + src_buffer = intel_bufferobj_source(intel, pbo, 64, &src_offset); + /* note: potential 64-bit ptr to 32-bit int cast */ + src_offset += (GLuint) (unsigned long) pixels; + + int src_stride = + _mesa_image_row_stride(unpack, image->Width, format, type); + + struct intel_mipmap_tree *pbo_mt = + intel_miptree_create_for_bo(intel, + src_buffer, + intelImage->mt->format, + src_offset, + image->Width, image->Height, + src_stride, I915_TILING_NONE); + if (!pbo_mt) + return false; + + if (!intel_miptree_blit(intel, + pbo_mt, 0, 0, + 0, 0, false, + intelImage->mt, image->Level, image->Face, + 0, 0, false, + image->Width, image->Height, GL_COPY)) { + DBG("%s: blit failed\n", __FUNCTION__); + return false; + } + + intel_miptree_release(&pbo_mt); + + DBG("%s: success\n", __FUNCTION__); + return true; +} + +static void +intelTexImage(struct gl_context * ctx, + GLuint dims, + struct gl_texture_image *texImage, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack) +{ + bool ok; + + DBG("%s target %s level %d %dx%dx%d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(texImage->TexObject->Target), + texImage->Level, texImage->Width, texImage->Height, texImage->Depth); + + ok = intel_texsubimage_tiled_memcpy(ctx, dims, texImage, + 0, 0, 0, /*x,y,z offsets*/ + texImage->Width, + texImage->Height, + texImage->Depth, + format, type, pixels, unpack, + true /*for_glTexImage*/); + if (ok) + return; + + /* Attempt to use the blitter for PBO image uploads. + */ + if (dims <= 2 && + try_pbo_upload(ctx, texImage, unpack, format, type, pixels)) { + return; + } + + DBG("%s: upload image %dx%dx%d pixels %p\n", + __FUNCTION__, texImage->Width, texImage->Height, texImage->Depth, + pixels); + + _mesa_store_teximage(ctx, dims, texImage, + format, type, pixels, unpack); +} + + +/** + * Binds a region to a texture image, like it was uploaded by glTexImage2D(). + * + * Used for GLX_EXT_texture_from_pixmap and EGL image extensions, + */ +static void +intel_set_texture_image_region(struct gl_context *ctx, + struct gl_texture_image *image, + struct intel_region *region, + GLenum target, + GLenum internalFormat, + gl_format format, + uint32_t offset, + GLuint width, + GLuint height, + GLuint tile_x, + GLuint tile_y) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_image *intel_image = intel_texture_image(image); + struct gl_texture_object *texobj = image->TexObject; + struct intel_texture_object *intel_texobj = intel_texture_object(texobj); + bool has_surface_tile_offset = false; + uint32_t draw_x, draw_y; + + _mesa_init_teximage_fields(&intel->ctx, image, + width, height, 1, + 0, internalFormat, format); + + ctx->Driver.FreeTextureImageBuffer(ctx, image); + + intel_image->mt = intel_miptree_create_layout(intel, target, image->TexFormat, + 0, 0, + width, height, 1, + true, 0 /* num_samples */); + if (intel_image->mt == NULL) + return; + intel_region_reference(&intel_image->mt->region, region); + intel_image->mt->total_width = width; + intel_image->mt->total_height = height; + intel_image->mt->level[0].slice[0].x_offset = tile_x; + intel_image->mt->level[0].slice[0].y_offset = tile_y; + + intel_miptree_get_tile_offsets(intel_image->mt, 0, 0, &draw_x, &draw_y); +#ifndef I915 + has_surface_tile_offset = brw_context(ctx)->has_surface_tile_offset; +#endif + + /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION + * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has + * trouble resolving back to destination image due to alignment issues. + */ + if (!has_surface_tile_offset && + (draw_x != 0 || draw_y != 0)) { + _mesa_error(ctx, GL_INVALID_OPERATION, __func__); + intel_miptree_release(&intel_image->mt); + return; + } + + intel_texobj->needs_validate = true; + + intel_image->mt->offset = offset; + assert(region->pitch % region->cpp == 0); + intel_image->base.RowStride = region->pitch / region->cpp; + + /* Immediately validate the image to the object. */ + intel_miptree_reference(&intel_texobj->mt, intel_image->mt); +} + +void +intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target, + GLint texture_format, + __DRIdrawable *dPriv) +{ + struct gl_framebuffer *fb = dPriv->driverPrivate; + struct intel_context *intel = pDRICtx->driverPrivate; + struct gl_context *ctx = &intel->ctx; + struct intel_texture_object *intelObj; + struct intel_renderbuffer *rb; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + int level = 0, internalFormat = 0; + gl_format texFormat = MESA_FORMAT_NONE; + + texObj = _mesa_get_current_tex_object(ctx, target); + intelObj = intel_texture_object(texObj); + + if (!intelObj) + return; + + if (dPriv->lastStamp != dPriv->dri2.stamp || + !pDRICtx->driScreenPriv->dri2.useInvalidate) + intel_update_renderbuffers(pDRICtx, dPriv); + + rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); + /* If the region isn't set, then intel_update_renderbuffers was unable + * to get the buffers for the drawable. + */ + if (!rb || !rb->mt) + return; + + if (rb->mt->cpp == 4) { + if (texture_format == __DRI_TEXTURE_FORMAT_RGB) { + internalFormat = GL_RGB; + texFormat = MESA_FORMAT_XRGB8888; + } + else { + internalFormat = GL_RGBA; + texFormat = MESA_FORMAT_ARGB8888; + } + } else if (rb->mt->cpp == 2) { + internalFormat = GL_RGB; + texFormat = MESA_FORMAT_RGB565; + } + + _mesa_lock_texture(&intel->ctx, texObj); + texImage = _mesa_get_tex_image(ctx, texObj, target, level); + intel_miptree_make_shareable(intel, rb->mt); + intel_set_texture_image_region(ctx, texImage, rb->mt->region, target, + internalFormat, texFormat, 0, + rb->mt->region->width, + rb->mt->region->height, + 0, 0); + _mesa_unlock_texture(&intel->ctx, texObj); +} + +void +intelSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv) +{ + /* The old interface didn't have the format argument, so copy our + * implementation's behavior at the time. + */ + intelSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv); +} + +static void +intel_image_target_texture_2d(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + GLeglImageOES image_handle) +{ + struct intel_context *intel = intel_context(ctx); + __DRIscreen *screen; + __DRIimage *image; + + screen = intel->intelScreen->driScrnPriv; + image = screen->dri2.image->lookupEGLImage(screen, image_handle, + screen->loaderPrivate); + if (image == NULL) + return; + + /* Disallow depth/stencil textures: we don't have a way to pass the + * separate stencil miptree of a GL_DEPTH_STENCIL texture through. + */ + if (image->has_depthstencil) { + _mesa_error(ctx, GL_INVALID_OPERATION, __func__); + return; + } + + intel_set_texture_image_region(ctx, texImage, image->region, + target, image->internal_format, + image->format, image->offset, + image->width, image->height, + image->tile_x, image->tile_y); +} + +void +intelInitTextureImageFuncs(struct dd_function_table *functions) +{ + functions->TexImage = intelTexImage; + functions->EGLImageTargetTexture2D = intel_image_target_texture_2d; +} |