summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i915-tex/intel_tex_validate.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i915-tex/intel_tex_validate.c')
-rw-r--r--src/mesa/drivers/dri/i915-tex/intel_tex_validate.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/src/mesa/drivers/dri/i915-tex/intel_tex_validate.c b/src/mesa/drivers/dri/i915-tex/intel_tex_validate.c
deleted file mode 100644
index 72f5afb13e5..00000000000
--- a/src/mesa/drivers/dri/i915-tex/intel_tex_validate.c
+++ /dev/null
@@ -1,247 +0,0 @@
-#include "mtypes.h"
-#include "macros.h"
-
-#include "intel_context.h"
-#include "intel_mipmap_tree.h"
-#include "intel_tex.h"
-#include "intel_bufmgr.h"
-
-/**
- * Compute which mipmap levels that really need to be sent to the hardware.
- * This depends on the base image size, GL_TEXTURE_MIN_LOD,
- * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL.
- */
-static void intel_calculate_first_last_level( struct intel_texture_object *intelObj )
-{
- struct gl_texture_object *tObj = &intelObj->base;
- const struct gl_texture_image * const baseImage =
- tObj->Image[0][tObj->BaseLevel];
-
- /* These must be signed values. MinLod and MaxLod can be negative numbers,
- * and having firstLevel and lastLevel as signed prevents the need for
- * extra sign checks.
- */
- int firstLevel;
- int lastLevel;
-
- /* Yes, this looks overly complicated, but it's all needed.
- */
- switch (tObj->Target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- case GL_TEXTURE_CUBE_MAP:
- if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
- /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
- */
- firstLevel = lastLevel = tObj->BaseLevel;
- }
- else {
- firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5);
- firstLevel = MAX2(firstLevel, tObj->BaseLevel);
- lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
- lastLevel = MAX2(lastLevel, tObj->BaseLevel);
- lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2);
- lastLevel = MIN2(lastLevel, tObj->MaxLevel);
- lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
- }
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_4D_SGIS:
- firstLevel = lastLevel = 0;
- break;
- default:
- return;
- }
-
- /* save these values */
- intelObj->firstLevel = firstLevel;
- intelObj->lastLevel = lastLevel;
-}
-
-static void copy_image_data_to_tree( struct intel_context *intel,
- struct intel_texture_object *intelObj,
- struct intel_texture_image *intelImage )
-{
- if (intelImage->mt) {
- /* Copy potentially with the blitter:
- */
- intel_miptree_image_copy(intel,
- intelObj->mt,
- intelImage->face,
- intelImage->level,
- intelImage->mt);
-
- intel_miptree_release(intel, &intelImage->mt);
- }
- else {
- assert(intelImage->base.Data != NULL);
-
- /* More straightforward upload.
- */
- intel_miptree_image_data(intel,
- intelObj->mt,
- intelImage->face,
- intelImage->level,
- intelImage->base.Data,
- intelImage->base.RowStride,
- intelImage->base.RowStride * intelImage->base.Height);
-
- free(intelImage->base.Data);
- intelImage->base.Data = NULL;
- }
-
- intel_miptree_reference(&intelImage->mt, intelObj->mt);
-}
-
-
-/*
- */
-GLuint intel_finalize_mipmap_tree( struct intel_context *intel, GLuint unit )
-{
- struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current;
- struct intel_texture_object *intelObj = intel_texture_object(tObj);
-
- GLuint face, i;
- GLuint nr_faces = 0;
- struct intel_texture_image *firstImage;
-
- /* We know/require this is true by now:
- */
- assert(intelObj->base.Complete);
-
- /* What levels must the tree include at a minimum?
- */
- intel_calculate_first_last_level( intelObj );
- firstImage = intel_texture_image(intelObj->base.Image[0][intelObj->firstLevel]);
-
- /* Fallback case:
- */
- if (firstImage->base.Border) {
- if (intelObj->mt) {
- intel_miptree_release(intel, &intelObj->mt);
- }
- return GL_FALSE;
- }
-
-
- /* If both firstImage and intelObj have a tree which can contain
- * all active images, favour firstImage. Note that because of the
- * completeness requirement, we know that the image dimensions
- * will match.
- */
- if (firstImage->mt &&
- firstImage->mt != intelObj->mt &&
- firstImage->mt->first_level <= intelObj->firstLevel &&
- firstImage->mt->last_level >= intelObj->lastLevel) {
-
- if (intelObj->mt)
- intel_miptree_release(intel, &intelObj->mt);
-
- intel_miptree_reference(&intelObj->mt, firstImage->mt);
- }
-
- /* Check tree can hold all active levels. Check tree matches
- * target, imageFormat, etc.
- *
- * XXX: For some layouts (eg i945?), the test might have to be
- * first_level == firstLevel, as the tree isn't valid except at the
- * original start level. Hope to get around this by
- * programming minLod, maxLod, baseLevel into the hardware and
- * leaving the tree alone.
- */
- if (intelObj->mt &&
- ((intelObj->mt->first_level > intelObj->firstLevel) ||
- (intelObj->mt->last_level < intelObj->lastLevel) ||
- (intelObj->mt->internal_format != firstImage->base.InternalFormat))) {
- intel_miptree_release(intel, &intelObj->mt);
- }
-
-
- /* May need to create a new tree:
- */
- if (!intelObj->mt) {
- intelObj->mt = intel_miptree_create(intel,
- intelObj->base.Target,
- firstImage->base.InternalFormat,
- intelObj->firstLevel,
- intelObj->lastLevel,
- firstImage->base.Width,
- firstImage->base.Height,
- firstImage->base.Depth,
- firstImage->base.TexFormat->TexelBytes,
- firstImage->base.IsCompressed);
- }
-
- /* Pull in any images not in the object's tree:
- */
- nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- for (face = 0; face < nr_faces; face++) {
- for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) {
- struct intel_texture_image *intelImage =
- intel_texture_image(intelObj->base.Image[face][i]);
-
- /* Need to import images in main memory or held in other trees.
- */
- if (intelObj->mt != intelImage->mt) {
- copy_image_data_to_tree(intel,
- intelObj,
- intelImage);
- }
- }
- }
-
- return GL_TRUE;
-}
-
-
-
-void intel_tex_map_images( struct intel_context *intel,
- struct intel_texture_object *intelObj )
-{
- GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- GLuint face, i;
-
- DBG("%s\n", __FUNCTION__);
-
- for (face = 0; face < nr_faces; face++) {
- for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) {
- struct intel_texture_image *intelImage =
- intel_texture_image(intelObj->base.Image[face][i]);
-
- if (intelImage->mt) {
- intelImage->base.Data =
- intel_miptree_image_map(intel,
- intelImage->mt,
- intelImage->face,
- intelImage->level,
- &intelImage->base.RowStride,
- &intelImage->base.ImageStride);
- /* convert stride to texels, not bytes */
- intelImage->base.RowStride /= intelImage->mt->cpp;
- intelImage->base.ImageStride /= intelImage->mt->cpp;
- }
- }
- }
-}
-
-
-
-void intel_tex_unmap_images( struct intel_context *intel,
- struct intel_texture_object *intelObj )
-{
- GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- GLuint face, i;
-
- for (face = 0; face < nr_faces; face++) {
- for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) {
- struct intel_texture_image *intelImage =
- intel_texture_image(intelObj->base.Image[face][i]);
-
- if (intelImage->mt) {
- intel_miptree_image_unmap(intel, intelImage->mt);
- intelImage->base.Data = NULL;
- }
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 04:36:13 +0000