--- /dev/null
+
+#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_mipmap_tree.h"
+#include "intel_buffer_objects.h"
+#include "intel_batchbuffer.h"
+#include "intel_tex.h"
+#include "intel_blit.h"
+#include "intel_fbo.h"
+#include "intel_image.h"
+
+#include "brw_context.h"
+
+#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 brw_context *brw,
+ struct intel_texture_object *intelObj,
+ struct intel_texture_image *intelImage,
+ bool expect_accelerated_upload)
+{
+ GLuint lastLevel;
+ int width, height, depth;
+ GLuint i;
+
+ intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
+ &width, &height, &depth);
+
+ DBG("%s\n", __FUNCTION__);
+
+ /* Figure out image dimensions at start level. */
+ for (i = intelImage->base.Base.Level; i > 0; 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 == 0 &&
+ !intelObj->base.GenerateMipmap) {
+ lastLevel = 0;
+ } else {
+ lastLevel = _mesa_get_tex_max_num_levels(intelObj->base.Target,
+ width, height, depth) - 1;
+ }
+
+ return intel_miptree_create(brw,
+ intelObj->base.Target,
+ intelImage->base.Base.TexFormat,
+ 0,
+ 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 brw_context *brw = brw_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 (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;
+ }
+
+ int src_stride =
+ _mesa_image_row_stride(unpack, image->Width, format, type);
+
+ /* note: potential 64-bit ptr to 32-bit int cast */
+ src_offset = (GLuint) (unsigned long) pixels;
+ src_buffer = intel_bufferobj_buffer(brw, pbo,
+ src_offset, src_stride * image->Height);
+
+ struct intel_mipmap_tree *pbo_mt =
+ intel_miptree_create_for_bo(brw,
+ src_buffer,
+ intelImage->mt->format,
+ src_offset,
+ image->Width, image->Height,
+ src_stride);
+ if (!pbo_mt)
+ return false;
+
+ if (!intel_miptree_blit(brw,
+ 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__);
+ intel_miptree_release(&pbo_mt);
+ 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 BO to a texture image, as if it was uploaded by glTexImage2D().
+ *
+ * Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
+ */
+static void
+intel_set_texture_image_bo(struct gl_context *ctx,
+ struct gl_texture_image *image,
+ drm_intel_bo *bo,
+ GLenum target,
+ GLenum internalFormat,
+ mesa_format format,
+ uint32_t offset,
+ GLuint width, GLuint height,
+ GLuint pitch,
+ GLuint tile_x, GLuint tile_y)
+{
+ struct brw_context *brw = brw_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);
+ uint32_t draw_x, draw_y;
+
+ _mesa_init_teximage_fields(&brw->ctx, image,
+ width, height, 1,
+ 0, internalFormat, format);
+
+ ctx->Driver.FreeTextureImageBuffer(ctx, image);
+
+ intel_image->mt = intel_miptree_create_for_bo(brw, bo, image->TexFormat,
+ 0, width, height, pitch);
+ if (intel_image->mt == NULL)
+ return;
+ intel_image->mt->target = target;
+ 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);
+
+ /* 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 (!brw->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(pitch % intel_image->mt->cpp == 0);
+ intel_image->base.RowStride = pitch / intel_image->mt->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 brw_context *brw = pDRICtx->driverPrivate;
+ struct gl_context *ctx = &brw->ctx;
+ struct intel_renderbuffer *rb;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ int level = 0, internalFormat = 0;
+ mesa_format texFormat = MESA_FORMAT_NONE;
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ if (!texObj)
+ 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 miptree isn't set, then intel_update_renderbuffers was unable
+ * to get the BO for the drawable from the window system.
+ */
+ if (!rb || !rb->mt)
+ return;
+
+ if (rb->mt->cpp == 4) {
+ if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
+ internalFormat = GL_RGB;
+ texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
+ }
+ else {
+ internalFormat = GL_RGBA;
+ texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
+ }
+ } else if (rb->mt->cpp == 2) {
+ internalFormat = GL_RGB;
+ texFormat = MESA_FORMAT_B5G6R5_UNORM;
+ }
+
+ _mesa_lock_texture(&brw->ctx, texObj);
+ texImage = _mesa_get_tex_image(ctx, texObj, target, level);
+ intel_miptree_make_shareable(brw, rb->mt);
+ intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
+ internalFormat, texFormat, 0,
+ rb->Base.Base.Width,
+ rb->Base.Base.Height,
+ rb->mt->pitch,
+ 0, 0);
+ _mesa_unlock_texture(&brw->ctx, texObj);
+}
+
+static GLboolean
+intel_bind_renderbuffer_tex_image(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ struct gl_texture_image *image)
+{
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+ 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);
+
+ /* We can only handle RB allocated with AllocRenderbufferStorage, or
+ * window-system renderbuffers.
+ */
+ assert(!rb->TexImage);
+
+ if (!irb->mt)
+ return false;
+
+ _mesa_lock_texture(ctx, texobj);
+ _mesa_init_teximage_fields(ctx, image,
+ rb->Width, rb->Height, 1,
+ 0, rb->InternalFormat, rb->Format);
+ image->NumSamples = rb->NumSamples;
+
+ intel_miptree_reference(&intel_image->mt, irb->mt);
+
+ /* Immediately validate the image to the object. */
+ intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
+
+ intel_texobj->needs_validate = true;
+ _mesa_unlock_texture(ctx, texobj);
+
+ return true;
+}
+
+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 brw_context *brw = brw_context(ctx);
+ __DRIscreen *screen;
+ __DRIimage *image;
+
+ screen = brw->intelScreen->driScrnPriv;
+ image = screen->dri2.image->lookupEGLImage(screen, image_handle,
+ screen->loaderPrivate);
+ if (image == NULL)
+ return;
+
+ /**
+ * Images originating via EGL_EXT_image_dma_buf_import can be used only
+ * with GL_OES_EGL_image_external only.
+ */
+ if (image->dma_buf_imported && target != GL_TEXTURE_EXTERNAL_OES) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetTexture2DOES(dma buffers can be used with "
+ "GL_OES_EGL_image_external only");
+ return;
+ }
+
+ if (target == GL_TEXTURE_EXTERNAL_OES && !image->dma_buf_imported) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetTexture2DOES(external target is enabled only "
+ "for images created with EGL_EXT_image_dma_buf_import");
+ 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_bo(ctx, texImage, image->bo,
+ target, image->internal_format,
+ image->format, image->offset,
+ image->width, image->height,
+ image->pitch,
+ image->tile_x, image->tile_y);
+}
+
+void
+intelInitTextureImageFuncs(struct dd_function_table *functions)
+{
+ functions->TexImage = intelTexImage;
+ functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
+ functions->BindRenderbufferTexImage = intel_bind_renderbuffer_tex_image;
+}
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