diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_tex_validate.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_tex_validate.c | 273 |
1 files changed, 1 insertions, 272 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tex_validate.c b/src/mesa/drivers/dri/i915/intel_tex_validate.c index af18c26..41a7567 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_tex_validate.c +++ b/src/mesa/drivers/dri/i915/intel_tex_validate.c @@ -1,272 +1 @@ -#include "mtypes.h" -#include "macros.h" - -#include "intel_context.h" -#include "intel_batchbuffer.h" -#include "intel_mipmap_tree.h" -#include "intel_tex.h" - -#define FILE_DEBUG_FLAG DEBUG_TEXTURE - -/** - * 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); - _mesa_align_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); - int comp_byte = 0; - int cpp; - - GLuint face, i; - GLuint nr_faces = 0; - struct intel_texture_image *firstImage; - - GLboolean need_flush = GL_FALSE; - - /* 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); - } - - if (firstImage->base.IsCompressed) { - comp_byte = intel_compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); - cpp = comp_byte; - } - else cpp = firstImage->base.TexFormat->TexelBytes; - - /* 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->target != intelObj->base.Target || - intelObj->mt->internal_format != firstImage->base.InternalFormat || - intelObj->mt->first_level != intelObj->firstLevel || - intelObj->mt->last_level != intelObj->lastLevel || - intelObj->mt->width0 != firstImage->base.Width || - intelObj->mt->height0 != firstImage->base.Height || - intelObj->mt->depth0 != firstImage->base.Depth || - intelObj->mt->cpp != cpp || - intelObj->mt->compressed != firstImage->base.IsCompressed)) { - 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, - cpp, - comp_byte); - } - - /* 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); - need_flush = GL_TRUE; - } - } - } - - if (need_flush) - intel_batchbuffer_flush(intel->batch); - - 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.ImageOffsets); - /* 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; - } - } - } -} +../intel/intel_tex_validate.c
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