/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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
+ * IN NO EVENT SHALL VMWARE 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/mfeatures.h"
#include "main/bufferobj.h"
#include "main/enums.h"
#include "main/fbobject.h"
#include "state_tracker/st_cb_fbo.h"
#include "state_tracker/st_cb_flush.h"
#include "state_tracker/st_cb_texture.h"
+#include "state_tracker/st_cb_bufferobjects.h"
#include "state_tracker/st_format.h"
#include "state_tracker/st_texture.h"
#include "state_tracker/st_gen_mipmap.h"
#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_tile.h"
-#include "util/u_blit.h"
#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_sampler.h"
#define DBG if (0) printf
-static enum pipe_texture_target
+enum pipe_texture_target
gl_target_to_pipe(GLenum target)
{
switch (target) {
case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
return PIPE_TEXTURE_1D;
case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
case GL_TEXTURE_EXTERNAL_OES:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
return PIPE_TEXTURE_2D;
case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
return PIPE_TEXTURE_RECT;
case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
return PIPE_TEXTURE_3D;
case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return PIPE_TEXTURE_CUBE;
case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
return PIPE_TEXTURE_1D_ARRAY;
case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return PIPE_TEXTURE_2D_ARRAY;
case GL_TEXTURE_BUFFER:
return PIPE_BUFFER;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+ return PIPE_TEXTURE_CUBE_ARRAY;
default:
assert(0);
return 0;
struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
DBG("%s\n", __FUNCTION__);
- _mesa_initialize_texture_object(&obj->base, name, target);
+ _mesa_initialize_texture_object(ctx, &obj->base, name, target);
return &obj->base;
}
pipe_resource_reference(&stImage->pt, NULL);
}
- if (stImage->TexData) {
- _mesa_align_free(stImage->TexData);
- stImage->TexData = NULL;
- }
+ _mesa_align_free(stImage->TexData);
+ stImage->TexData = NULL;
}
if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
- map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h);
+ map = st_texture_image_map(st, stImage, pipeMode, x, y, slice, w, h, 1);
if (map) {
*mapOut = map;
*rowStrideOut = stImage->transfer->stride;
}
-/** Return number of image dimensions (1, 2 or 3) for a texture target. */
-static GLuint
-get_texture_dims(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_BUFFER:
- return 1;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_TEXTURE_EXTERNAL_OES:
- return 2;
- case GL_TEXTURE_3D:
- return 3;
- default:
- assert(0 && "invalid texture target in get_texture_dims()");
- return 1;
- }
-}
-
-
/**
* Given the size of a mipmap image, try to compute the size of the level=0
* mipmap image.
GLuint width, GLuint height, GLuint depth, GLuint level,
GLuint *width0, GLuint *height0, GLuint *depth0)
{
- const GLuint dims = get_texture_dims(target);
-
assert(width >= 1);
assert(height >= 1);
assert(depth >= 1);
if (level > 0) {
- /* Depending on the image's size, we can't always make a guess here */
- if ((dims >= 1 && width == 1) ||
- (dims >= 2 && height == 1) ||
- (dims >= 3 && depth == 1)) {
- /* we can't determine the image size at level=0 */
- return GL_FALSE;
- }
+ /* Guess the size of the base level.
+ * Depending on the image's size, we can't always make a guess here.
+ */
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY:
+ width <<= level;
+ break;
+
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_2D_ARRAY:
+ /* We can't make a good guess here, because the base level dimensions
+ * can be non-square.
+ */
+ if (width == 1 || height == 1) {
+ return GL_FALSE;
+ }
+ width <<= level;
+ height <<= level;
+ break;
+
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ width <<= level;
+ height <<= level;
+ break;
+
+ case GL_TEXTURE_3D:
+ /* We can't make a good guess here, because the base level dimensions
+ * can be non-cube.
+ */
+ if (width == 1 || height == 1 || depth == 1) {
+ return GL_FALSE;
+ }
+ width <<= level;
+ height <<= level;
+ depth <<= level;
+ break;
- /* grow the image size until we hit level = 0 */
- while (level > 0) {
- if (width > 1)
- width <<= 1;
- if (height > 1)
- height <<= 1;
- if (depth > 1)
- depth <<= 1;
- level--;
+ case GL_TEXTURE_RECTANGLE:
+ break;
+
+ default:
+ assert(0);
}
- }
+ }
*width0 = width;
*height0 = height;
*/
if ((stObj->base.Sampler.MinFilter == GL_NEAREST ||
stObj->base.Sampler.MinFilter == GL_LINEAR ||
+ (stObj->base.BaseLevel == 0 &&
+ stObj->base.MaxLevel == 0) ||
stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
!stObj->base.GenerateMipmap &&
}
else {
/* alloc space for a full mipmap */
- GLuint l2width = util_logbase2(width);
- GLuint l2height = util_logbase2(height);
- GLuint l2depth = util_logbase2(depth);
- lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
+ lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target,
+ width, height, depth) - 1;
}
/* Save the level=0 dimensions */
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, 0,
bindings);
stObj->lastLevel = lastLevel;
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- gl_format format, GLsizei width,
- GLsizei height, GLsizei depth)
+ struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint level = texImage->Level;
+ GLuint width = texImage->Width;
+ GLuint height = texImage->Height;
+ GLuint depth = texImage->Depth;
DBG("%s\n", __FUNCTION__);
- assert(width > 0);
- assert(height > 0);
- assert(depth > 0);
assert(!stImage->TexData);
assert(!stImage->pt); /* xxx this might be wrong */
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, 0,
bindings);
return stImage->pt != NULL;
}
*/
static void
prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
GLenum format, GLenum type)
{
struct gl_texture_object *texObj = texImage->TexObject;
if (stObj->surface_based) {
const GLenum target = texObj->Target;
const GLuint level = texImage->Level;
- gl_format texFormat;
+ mesa_format texFormat;
_mesa_clear_texture_object(ctx, texObj);
pipe_resource_reference(&stObj->pt, NULL);
/* oops, need to init this image again */
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format, type);
+ texImage->InternalFormat, format,
+ type);
_mesa_init_teximage_fields(ctx, texImage,
- width, height, depth, border,
- internalFormat, texFormat);
+ texImage->Width, texImage->Height,
+ texImage->Depth, texImage->Border,
+ texImage->InternalFormat, texFormat);
stObj->surface_based = GL_FALSE;
}
}
-static void
-st_TexImage3D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
+/**
+ * Return a writemask for the gallium blit. The parameters can be base
+ * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
+ */
+unsigned
+st_get_blit_mask(GLenum srcFormat, GLenum dstFormat)
{
- prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
- format, type);
- _mesa_store_teximage3d(ctx, texImage, internalFormat, width, height, depth,
- border, format, type, pixels, unpack);
+ switch (dstFormat) {
+ case GL_DEPTH_STENCIL:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ return PIPE_MASK_ZS;
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_DEPTH_COMPONENT:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_STENCIL_INDEX:
+ switch (srcFormat) {
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ default:
+ return PIPE_MASK_RGBA;
+ }
}
static void
-st_TexImage2D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
+st_TexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack)
{
- prep_teximage(ctx, texImage, internalFormat, width, height, 1, border,
- format, type);
- _mesa_store_teximage2d(ctx, texImage, internalFormat, width, height,
- border, format, type, pixels, unpack);
-}
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_resource *dst = stImage->pt;
+ struct pipe_resource *src = NULL;
+ struct pipe_resource src_templ;
+ struct pipe_transfer *transfer;
+ struct pipe_blit_info blit;
+ enum pipe_format src_format, dst_format;
+ mesa_format mesa_src_format;
+ GLenum gl_target = texImage->TexObject->Target;
+ unsigned bind;
+ GLubyte *map;
+
+ if (!st->prefer_blit_based_texture_transfer) {
+ goto fallback;
+ }
+
+ if (!dst) {
+ goto fallback;
+ }
+
+ /* XXX Fallback for depth-stencil formats due to an incomplete stencil
+ * blit implementation in some drivers. */
+ if (format == GL_DEPTH_STENCIL) {
+ goto fallback;
+ }
+ /* If the base internal format and the texture format don't match,
+ * we can't use blit-based TexSubImage. */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* See if the texture format already matches the format and type,
+ * in which case the memcpy-based fast path will likely be used and
+ * we don't have to blit. */
+ if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
+ type, unpack->SwapBytes)) {
+ goto fallback;
+ }
+
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* See if the destination format is supported.
+ * For luminance and intensity, only the red channel is stored there. */
+ dst_format = util_format_linear(dst->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
+
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, dst->target,
+ dst->nr_samples, bind)) {
+ goto fallback;
+ }
+
+ /* Choose the source format. */
+ src_format = st_choose_matching_format(screen, PIPE_BIND_SAMPLER_VIEW,
+ format, type, unpack->SwapBytes);
+ if (!src_format) {
+ goto fallback;
+ }
+
+ mesa_src_format = st_pipe_format_to_mesa_format(src_format);
+
+ /* There is no reason to do this if we cannot use memcpy for the temporary
+ * source texture at least. This also takes transfer ops into account,
+ * etc. */
+ if (!_mesa_texstore_can_use_memcpy(ctx,
+ _mesa_get_format_base_format(mesa_src_format),
+ mesa_src_format, format, type, unpack)) {
+ goto fallback;
+ }
+
+ /* TexSubImage only sets a single cubemap face. */
+ if (gl_target == GL_TEXTURE_CUBE_MAP) {
+ gl_target = GL_TEXTURE_2D;
+ }
+
+ /* Initialize the source texture description. */
+ memset(&src_templ, 0, sizeof(src_templ));
+ src_templ.target = gl_target_to_pipe(gl_target);
+ src_templ.format = src_format;
+ src_templ.bind = PIPE_BIND_SAMPLER_VIEW;
+ src_templ.usage = PIPE_USAGE_STAGING;
+
+ st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
+ &src_templ.width0, &src_templ.height0,
+ &src_templ.depth0, &src_templ.array_size);
+
+ /* Check for NPOT texture support. */
+ if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
+ (!util_is_power_of_two(src_templ.width0) ||
+ !util_is_power_of_two(src_templ.height0) ||
+ !util_is_power_of_two(src_templ.depth0))) {
+ goto fallback;
+ }
+
+ /* Create the source texture. */
+ src = screen->resource_create(screen, &src_templ);
+ if (!src) {
+ goto fallback;
+ }
+
+ /* Map source pixels. */
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
+ format, type, pixels, unpack,
+ "glTexSubImage");
+ if (!pixels) {
+ /* This is a GL error. */
+ pipe_resource_reference(&src, NULL);
+ return;
+ }
+
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
+ }
+
+ map = pipe_transfer_map_3d(pipe, src, 0, PIPE_TRANSFER_WRITE, 0, 0, 0,
+ width, height, depth, &transfer);
+ if (!map) {
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+ pipe_resource_reference(&src, NULL);
+ goto fallback;
+ }
+
+ /* Upload pixels (just memcpy). */
+ {
+ const uint bytesPerRow = width * util_format_get_blocksize(src_format);
+ GLuint row, slice;
+
+ for (slice = 0; slice < (unsigned) depth; slice++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(map, src, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < (unsigned) height; row++) {
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(slice_map, src, bytesPerRow);
+ slice_map += transfer->stride;
+ }
+ }
+ map += transfer->layer_stride;
+ }
+ }
+
+ pipe_transfer_unmap(pipe, transfer);
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+
+ /* Blit. */
+ blit.src.resource = src;
+ blit.src.level = 0;
+ blit.src.format = src_format;
+ blit.dst.resource = dst;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.format = dst_format;
+ blit.src.box.x = blit.src.box.y = blit.src.box.z = 0;
+ blit.dst.box.x = xoffset;
+ blit.dst.box.y = yoffset;
+ blit.dst.box.z = zoffset + texImage->Face;
+ blit.src.box.width = blit.dst.box.width = width;
+ blit.src.box.height = blit.dst.box.height = height;
+ blit.src.box.depth = blit.dst.box.depth = depth;
+ blit.mask = st_get_blit_mask(format, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ blit.scissor_enable = FALSE;
+
+ st->pipe->blit(st->pipe, &blit);
+
+ pipe_resource_reference(&src, NULL);
+ return;
+
+fallback:
+ _mesa_store_texsubimage(ctx, dims, texImage, xoffset, yoffset, zoffset,
+ width, height, depth, format, type, pixels,
+ unpack);
+}
static void
-st_TexImage1D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
+st_TexImage(struct gl_context * ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack)
{
- prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
- format, type);
- _mesa_store_teximage1d(ctx, texImage, internalFormat, width,
- border, format, type, pixels, unpack);
+ assert(dims == 1 || dims == 2 || dims == 3);
+
+ prep_teximage(ctx, texImage, format, type);
+
+ if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
+ return;
+
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ return;
+ }
+
+ st_TexSubImage(ctx, dims, texImage, 0, 0, 0,
+ texImage->Width, texImage->Height, texImage->Depth,
+ format, type, pixels, unpack);
}
static void
-st_CompressedTexImage2D(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLsizei imageSize, const GLvoid *data)
+st_CompressedTexImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLsizei imageSize, const GLvoid *data)
{
- prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
- GL_NONE, GL_NONE);
- _mesa_store_compressed_teximage2d(ctx, texImage, internalFormat, width,
- height, border, imageSize, data);
+ prep_teximage(ctx, texImage, GL_NONE, GL_NONE);
+ _mesa_store_compressed_teximage(ctx, dims, texImage, imageSize, data);
}
+
/**
- * glGetTexImage() helper: decompress a compressed texture by rendering
- * a textured quad. Store the results in the user's buffer.
+ * Called via ctx->Driver.GetTexImage()
+ *
+ * This uses a blit to copy the texture to a texture format which matches
+ * the format and type combo and then a fast read-back is done using memcpy.
+ * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
+ * a format which matches the swizzling.
+ *
+ * If such a format isn't available, it falls back to _mesa_get_teximage.
+ *
+ * NOTE: Drivers usually do a blit to convert between tiled and linear
+ * texture layouts during texture uploads/downloads, so the blit
+ * we do here should be free in such cases.
*/
static void
-decompress_with_blit(struct gl_context * ctx,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_image *texImage)
+st_GetTexImage(struct gl_context * ctx,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ GLuint width = texImage->Width;
+ GLuint height = texImage->Height;
+ GLuint depth = texImage->Depth;
struct st_texture_image *stImage = st_texture_image(texImage);
- struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
- struct pipe_sampler_view *src_view;
- const GLuint width = texImage->Width;
- const GLuint height = texImage->Height;
- struct pipe_surface *dst_surface;
- struct pipe_resource *dst_texture;
+ struct pipe_resource *src = st_texture_object(texImage->TexObject)->pt;
+ struct pipe_resource *dst = NULL;
+ struct pipe_resource dst_templ;
+ enum pipe_format dst_format, src_format;
+ mesa_format mesa_format;
+ GLenum gl_target = texImage->TexObject->Target;
+ enum pipe_texture_target pipe_target;
+ struct pipe_blit_info blit;
+ unsigned bind = PIPE_BIND_TRANSFER_READ;
struct pipe_transfer *tex_xfer;
- unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
- PIPE_BIND_TRANSFER_READ);
-
- /* create temp / dest surface */
- if (!util_create_rgba_surface(pipe, width, height, bind,
- &dst_texture, &dst_surface)) {
- _mesa_problem(ctx, "util_create_rgba_surface() failed "
- "in decompress_with_blit()");
- return;
+ ubyte *map = NULL;
+ boolean done = FALSE;
+
+ if (!st->prefer_blit_based_texture_transfer) {
+ goto fallback;
}
- /* Disable conditional rendering. */
- if (st->render_condition) {
- pipe->render_condition(pipe, NULL, 0);
+ if (!stImage->pt || !src) {
+ goto fallback;
}
- /* Create sampler view that limits fetches to the source mipmap level */
- {
- struct pipe_sampler_view sv_temp;
+ /* XXX Fallback to _mesa_get_teximage for depth-stencil formats
+ * due to an incomplete stencil blit implementation in some drivers. */
+ if (format == GL_DEPTH_STENCIL) {
+ goto fallback;
+ }
+
+ /* If the base internal format and the texture format don't match, we have
+ * to fall back to _mesa_get_teximage. */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* See if the texture format already matches the format and type,
+ * in which case the memcpy-based fast path will be used. */
+ if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
+ type, ctx->Pack.SwapBytes)) {
+ goto fallback;
+ }
- u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format);
+ /* Convert the source format to what is expected by GetTexImage
+ * and see if it's supported.
+ *
+ * This only applies to glGetTexImage:
+ * - Luminance must be returned as (L,0,0,1).
+ * - Luminance alpha must be returned as (L,0,0,A).
+ * - Intensity must be returned as (I,0,0,1)
+ */
+ src_format = util_format_linear(src->format);
+ src_format = util_format_luminance_to_red(src_format);
+ src_format = util_format_intensity_to_red(src_format);
+
+ if (!src_format ||
+ !screen->is_format_supported(screen, src_format, src->target,
+ src->nr_samples,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ goto fallback;
+ }
- sv_temp.u.tex.first_level =
- sv_temp.u.tex.last_level = texImage->Level;
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
+ bind |= PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind |= PIPE_BIND_RENDER_TARGET;
- src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp);
- if (!src_view) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
+ /* GetTexImage only returns a single face for cubemaps. */
+ if (gl_target == GL_TEXTURE_CUBE_MAP) {
+ gl_target = GL_TEXTURE_2D;
+ }
+ pipe_target = gl_target_to_pipe(gl_target);
+
+ /* Choose the destination format by finding the best match
+ * for the format+type combo. */
+ dst_format = st_choose_matching_format(screen, bind, format, type,
+ ctx->Pack.SwapBytes);
+
+ if (dst_format == PIPE_FORMAT_NONE) {
+ GLenum dst_glformat;
+
+ /* Fall back to _mesa_get_teximage except for compressed formats,
+ * where decompression with a blit is always preferred. */
+ if (!util_format_is_compressed(src->format)) {
+ goto fallback;
+ }
+
+ /* Set the appropriate format for the decompressed texture.
+ * Luminance and sRGB formats shouldn't appear here.*/
+ switch (src_format) {
+ case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_RGBA:
+ case PIPE_FORMAT_DXT3_RGBA:
+ case PIPE_FORMAT_DXT5_RGBA:
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC2_UNORM:
+ case PIPE_FORMAT_ETC1_RGB8:
+ dst_glformat = GL_RGBA8;
+ break;
+ case PIPE_FORMAT_RGTC1_SNORM:
+ case PIPE_FORMAT_RGTC2_SNORM:
+ if (!ctx->Extensions.EXT_texture_snorm)
+ goto fallback;
+ dst_glformat = GL_RGBA8_SNORM;
+ break;
+ /* TODO: for BPTC_*FLOAT, set RGBA32F and check for ARB_texture_float */
+ default:
+ assert(0);
+ goto fallback;
+ }
+
+ dst_format = st_choose_format(st, dst_glformat, format, type,
+ pipe_target, 0, bind, FALSE);
+
+ if (dst_format == PIPE_FORMAT_NONE) {
+ /* unable to get an rgba format!?! */
+ goto fallback;
}
}
+ /* create the destination texture */
+ memset(&dst_templ, 0, sizeof(dst_templ));
+ dst_templ.target = pipe_target;
+ dst_templ.format = dst_format;
+ dst_templ.bind = bind;
+ dst_templ.usage = PIPE_USAGE_STAGING;
+
+ st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
+ &dst_templ.width0, &dst_templ.height0,
+ &dst_templ.depth0, &dst_templ.array_size);
+
+ dst = screen->resource_create(screen, &dst_templ);
+ if (!dst) {
+ goto fallback;
+ }
+
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
+ }
+
+ blit.src.resource = src;
+ blit.src.level = texImage->Level;
+ blit.src.format = src_format;
+ blit.dst.resource = dst;
+ blit.dst.level = 0;
+ blit.dst.format = dst->format;
+ blit.src.box.x = blit.dst.box.x = 0;
+ blit.src.box.y = blit.dst.box.y = 0;
+ blit.src.box.z = texImage->Face;
+ blit.dst.box.z = 0;
+ blit.src.box.width = blit.dst.box.width = width;
+ blit.src.box.height = blit.dst.box.height = height;
+ blit.src.box.depth = blit.dst.box.depth = depth;
+ blit.mask = st_get_blit_mask(texImage->_BaseFormat, format);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ blit.scissor_enable = FALSE;
+
/* blit/render/decompress */
- util_blit_pixels_tex(st->blit,
- src_view, /* pipe_resource (src) */
- 0, 0, /* src x0, y0 */
- width, height, /* src x1, y1 */
- dst_surface, /* pipe_surface (dst) */
- 0, 0, /* dst x0, y0 */
- width, height, /* dst x1, y1 */
- 0.0, /* z */
- PIPE_TEX_MIPFILTER_NEAREST);
-
- /* Restore conditional rendering state. */
- if (st->render_condition) {
- pipe->render_condition(pipe, st->render_condition,
- st->condition_mode);
- }
-
- /* map the dst_surface so we can read from it */
- tex_xfer = pipe_get_transfer(pipe,
- dst_texture, 0, 0,
- PIPE_TRANSFER_READ,
- 0, 0, width, height);
+ st->pipe->blit(st->pipe, &blit);
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
+ map = pipe_transfer_map_3d(pipe, dst, 0, PIPE_TRANSFER_READ,
+ 0, 0, 0, width, height, depth, &tex_xfer);
+ if (!map) {
+ goto end;
+ }
+
+ mesa_format = st_pipe_format_to_mesa_format(dst_format);
+
/* copy/pack data into user buffer */
- if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
- format, type,
+ if (_mesa_format_matches_format_and_type(mesa_format, format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
- const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
- ubyte *map = pipe_transfer_map(pipe, tex_xfer);
- GLuint row;
- for (row = 0; row < height; row++) {
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
- memcpy(dest, map, bytesPerRow);
- map += tex_xfer->stride;
+ const uint bytesPerRow = width * util_format_get_blocksize(dst_format);
+ GLuint row, slice;
+
+ for (slice = 0; slice < depth; slice++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(dest, map, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(dest, slice_map, bytesPerRow);
+ slice_map += tex_xfer->stride;
+ }
+ }
+ map += tex_xfer->layer_stride;
}
- pipe_transfer_unmap(pipe, tex_xfer);
}
else {
/* format translation via floats */
- GLuint row;
- enum pipe_format pformat = util_format_linear(dst_texture->format);
+ GLuint row, slice;
GLfloat *rgba;
- rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
+ assert(util_format_is_compressed(src->format));
+
+ rgba = malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
goto end;
}
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback format translation\n", __FUNCTION__);
-
- /* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
- pformat, rgba);
-
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
+
+ for (slice = 0; slice < depth; slice++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, depth, format,
+ type, 0, slice, 0);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, 0, width, 1,
+ dst_format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, 0);
+ }
+ else {
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
+ dst_format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, 0);
+ }
+ }
+ map += tex_xfer->layer_stride;
}
free(rgba);
}
+ done = TRUE;
end:
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-
- pipe->transfer_destroy(pipe, tex_xfer);
-
- /* destroy the temp / dest surface */
- util_destroy_rgba_surface(dst_texture, dst_surface);
-
- pipe_sampler_view_release(pipe, &src_view);
-}
-
-
+ if (map)
+ pipe_transfer_unmap(pipe, tex_xfer);
-/**
- * Called via ctx->Driver.GetTexImage()
- */
-static void
-st_GetTexImage(struct gl_context * ctx,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_image *texImage)
-{
- struct st_texture_image *stImage = st_texture_image(texImage);
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+ pipe_resource_reference(&dst, NULL);
- if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) {
- /* Need to decompress the texture.
- * We'll do this by rendering a textured quad (which is hopefully
- * faster than using the fallback code in texcompress.c).
- * Note that we only expect RGBA formats (no Z/depth formats).
- */
- decompress_with_blit(ctx, format, type, pixels, texImage);
- }
- else {
+fallback:
+ if (!done) {
_mesa_get_teximage(ctx, format, type, pixels, texImage);
}
}
struct st_renderbuffer *strb,
struct st_texture_image *stImage,
GLenum baseFormat,
- GLint destX, GLint destY, GLint destZ,
+ GLint destX, GLint destY, GLint slice,
GLint srcX, GLint srcY,
GLsizei width, GLsizei height)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_transfer *src_trans;
- GLvoid *texDest;
+ GLubyte *texDest;
enum pipe_transfer_usage transfer_usage;
+ void *map;
+ unsigned dst_width = width;
+ unsigned dst_height = height;
+ unsigned dst_depth = 1;
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
srcY = strb->Base.Height - srcY - height;
}
- src_trans = pipe_get_transfer(pipe,
- strb->texture,
- strb->rtt_level,
- strb->rtt_face + strb->rtt_slice,
- PIPE_TRANSFER_READ,
- srcX, srcY,
- width, height);
+ map = pipe_transfer_map(pipe,
+ strb->texture,
+ strb->surface->u.tex.level,
+ strb->surface->u.tex.first_layer,
+ PIPE_TRANSFER_READ,
+ srcX, srcY,
+ width, height, &src_trans);
if ((baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL) &&
else
transfer_usage = PIPE_TRANSFER_WRITE;
- /* XXX this used to ignore destZ param */
- texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
- destX, destY, width, height);
+ texDest = st_texture_image_map(st, stImage, transfer_usage,
+ destX, destY, slice,
+ dst_width, dst_height, dst_depth);
if (baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL) {
yStep = 1;
}
- data = (uint *) malloc(width * sizeof(uint));
+ data = malloc(width * sizeof(uint));
if (data) {
/* To avoid a large temp memory allocation, do copy row by row */
for (row = 0; row < height; row++, srcY += yStep) {
- pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
+ pipe_get_tile_z(src_trans, map, 0, srcY, width, 1, data);
if (scaleOrBias) {
_mesa_scale_and_bias_depth_uint(ctx, width, data);
}
- pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
+
+ if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ pipe_put_tile_z(stImage->transfer,
+ texDest + row*stImage->transfer->layer_stride,
+ 0, 0, width, 1, data);
+ }
+ else {
+ pipe_put_tile_z(stImage->transfer, texDest, 0, row, width, 1,
+ data);
+ }
}
}
else {
else {
/* RGBA format */
GLfloat *tempSrc =
- (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+ malloc(width * height * 4 * sizeof(GLfloat));
if (tempSrc && texDest) {
const GLint dims = 2;
- const GLint dstRowStride = stImage->transfer->stride;
+ GLint dstRowStride;
struct gl_texture_image *texImage = &stImage->base;
struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
unpack.Invert = GL_TRUE;
}
+ if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ dstRowStride = stImage->transfer->layer_stride;
+ }
+ else {
+ dstRowStride = stImage->transfer->stride;
+ }
+
/* get float/RGBA image from framebuffer */
/* XXX this usually involves a lot of int/float conversion.
* try to avoid that someday.
*/
- pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
+ pipe_get_tile_rgba_format(src_trans, map, 0, 0, width, height,
util_format_linear(strb->texture->format),
tempSrc);
texImage->_BaseFormat,
texImage->TexFormat,
dstRowStride,
- (GLubyte **) &texDest,
+ &texDest,
width, height, 1,
GL_RGBA, GL_FLOAT, tempSrc, /* src */
&unpack);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
}
- if (tempSrc)
- free(tempSrc);
+ free(tempSrc);
}
st_texture_image_unmap(st, stImage);
- pipe->transfer_destroy(pipe, src_trans);
+ pipe->transfer_unmap(pipe, src_trans);
}
-
-/**
- * If the format of the src renderbuffer and the format of the dest
- * texture are compatible (in terms of blitting), return a TGSI writemask
- * to be used during the blit.
- * If the src/dest are incompatible, return 0.
- */
-static unsigned
-compatible_src_dst_formats(struct gl_context *ctx,
- const struct gl_renderbuffer *src,
- const struct gl_texture_image *dst)
-{
- /* Get logical base formats for the src and dest.
- * That is, use the user-requested formats and not the actual, device-
- * chosen formats.
- * For example, the user may have requested an A8 texture but the
- * driver may actually be using an RGBA texture format. When we
- * copy/blit to that texture, we only want to copy the Alpha channel
- * and not the RGB channels.
- *
- * Similarly, when the src FBO was created an RGB format may have been
- * requested but the driver actually chose an RGBA format. In that case,
- * we don't want to copy the undefined Alpha channel to the dest texture
- * (it should be 1.0).
- */
- const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
- const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
-
- /**
- * XXX when we have red-only and red/green renderbuffers we'll need
- * to add more cases here (or implement a general-purpose routine that
- * queries the existance of the R,G,B,A channels in the src and dest).
- */
- if (srcFormat == dstFormat) {
- /* This is the same as matching_base_formats, which should
- * always pass, as it did previously.
- */
- return TGSI_WRITEMASK_XYZW;
- }
- else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
- /* Make sure that A in the dest is 1. The actual src format
- * may be RGBA and have undefined A values.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
- /* Make sure that A in the dest is 1. The actual dst format
- * may be RGBA and will need A=1 to provide proper alpha values
- * when sampled later.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else {
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s failed for src %s, dst %s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstFormat));
-
- /* Otherwise fail.
- */
- return 0;
- }
-}
-
-
-
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
* Note: srcY=0=Bottom of renderbuffer (GL convention)
*/
static void
-st_copy_texsubimage(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint destX, GLint destY, GLint destZ,
- struct gl_renderbuffer *rb,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
+st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint destX, GLint destY, GLint slice,
+ struct gl_renderbuffer *rb,
+ GLint srcX, GLint srcY, GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum texBaseFormat = texImage->_BaseFormat;
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct st_renderbuffer *strb;
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
+ struct st_renderbuffer *strb = st_renderbuffer(rb);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- enum pipe_format dest_format, src_format;
- GLboolean matching_base_formats;
- GLuint format_writemask, sample_count;
- struct pipe_surface *dest_surface = NULL;
+ struct pipe_blit_info blit;
+ enum pipe_format dst_format;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
- struct pipe_surface surf_tmpl;
- unsigned int dst_usage;
+ unsigned bind;
GLint srcY0, srcY1;
- /* make sure finalize_textures has been called?
- */
- if (0) st_validate_state(st);
-
- /* determine if copying depth or color data */
- if (texBaseFormat == GL_DEPTH_COMPONENT ||
- texBaseFormat == GL_DEPTH_STENCIL) {
- strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
- }
- else {
- /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
- strb = st_renderbuffer(fb->_ColorReadBuffer);
- }
-
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __FUNCTION__);
return;
}
- sample_count = strb->surface->texture->nr_samples;
- /* I believe this would be legal, presumably would need to do a resolve
- for color, and for depth/stencil spec says to just use one of the
- depth/stencil samples per pixel? Need some transfer clarifications. */
- assert(sample_count < 2);
-
- assert(strb);
- assert(strb->surface);
- assert(stImage->pt);
-
- src_format = strb->surface->format;
- dest_format = stImage->pt->format;
-
- /*
- * Determine if the src framebuffer and dest texture have the same
- * base format. We need this to detect a case such as the framebuffer
- * being GL_RGBA but the texture being GL_RGB. If the actual hardware
- * texture format stores RGBA we need to set A=1 (overriding the
- * framebuffer's alpha values). We can't do that with the blit or
- * textured-quad paths.
- */
- matching_base_formats =
- (_mesa_get_format_base_format(strb->Base.Format) ==
- _mesa_get_format_base_format(texImage->TexFormat));
-
- if (ctx->_ImageTransferState) {
+ if (_mesa_texstore_needs_transfer_ops(ctx, texImage->_BaseFormat,
+ texImage->TexFormat)) {
goto fallback;
}
- if (matching_base_formats &&
- src_format == dest_format &&
- !do_flip) {
- /* use surface_copy() / blit */
- struct pipe_box src_box;
- u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
- width, height, &src_box);
-
- /* for resource_copy_region(), y=0=top, always */
- pipe->resource_copy_region(pipe,
- /* dest */
- stImage->pt,
- stImage->base.Level,
- destX, destY, destZ + stImage->base.Face,
- /* src */
- strb->texture,
- strb->surface->u.tex.level,
- &src_box);
- return;
- }
-
- if (texBaseFormat == GL_DEPTH_STENCIL) {
+ /* The base internal format must match the mesa format, so make sure
+ * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
+ */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat) ||
+ rb->_BaseFormat != _mesa_get_format_base_format(rb->Format)) {
goto fallback;
}
- if (texBaseFormat == GL_DEPTH_COMPONENT) {
- format_writemask = TGSI_WRITEMASK_XYZW;
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
+ /* Choose the destination format to match the TexImage behavior. */
+ dst_format = util_format_linear(stImage->pt->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
+
+ /* See if the destination format is supported. */
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL ||
+ texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
+ bind = PIPE_BIND_DEPTH_STENCIL;
}
else {
- format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
- dst_usage = PIPE_BIND_RENDER_TARGET;
+ bind = PIPE_BIND_RENDER_TARGET;
}
- if (!format_writemask ||
- !screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, sample_count,
- PIPE_BIND_SAMPLER_VIEW) ||
- !screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- dst_usage)) {
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, stImage->pt->target,
+ stImage->pt->nr_samples, bind)) {
goto fallback;
}
+ /* Y flipping for the main framebuffer. */
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
srcY1 = srcY0 + height;
}
- /* Disable conditional rendering. */
- if (st->render_condition) {
- pipe->render_condition(pipe, NULL, 0);
- }
-
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = util_format_linear(stImage->pt->format);
- surf_tmpl.usage = dst_usage;
- surf_tmpl.u.tex.level = stImage->base.Level;
- surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ;
- surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ;
-
- dest_surface = pipe->create_surface(pipe, stImage->pt,
- &surf_tmpl);
- util_blit_pixels_writemask(st->blit,
- strb->texture,
- strb->surface->u.tex.level,
- srcX, srcY0,
- srcX + width, srcY1,
- strb->surface->u.tex.first_layer,
- dest_surface,
- destX, destY,
- destX + width, destY + height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST,
- format_writemask);
- pipe_surface_reference(&dest_surface, NULL);
-
- /* Restore conditional rendering state. */
- if (st->render_condition) {
- pipe->render_condition(pipe, st->render_condition,
- st->condition_mode);
- }
-
+ /* Blit the texture.
+ * This supports flipping, format conversions, and downsampling.
+ */
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = strb->texture;
+ blit.src.format = util_format_linear(strb->surface->format);
+ blit.src.level = strb->surface->u.tex.level;
+ blit.src.box.x = srcX;
+ blit.src.box.y = srcY0;
+ blit.src.box.z = strb->surface->u.tex.first_layer;
+ blit.src.box.width = width;
+ blit.src.box.height = srcY1 - srcY0;
+ blit.src.box.depth = 1;
+ blit.dst.resource = stImage->pt;
+ blit.dst.format = dst_format;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.box.x = destX;
+ blit.dst.box.y = destY;
+ blit.dst.box.z = stImage->base.Face + slice;
+ blit.dst.box.width = width;
+ blit.dst.box.height = height;
+ blit.dst.box.depth = 1;
+ blit.mask = st_get_blit_mask(rb->_BaseFormat, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ pipe->blit(pipe, &blit);
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
- strb, stImage, texBaseFormat,
- destX, destY, destZ,
+ strb, stImage, texImage->_BaseFormat,
+ destX, destY, slice,
srcX, srcY, width, height);
}
-
-static void
-st_CopyTexSubImage1D(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint xoffset,
- struct gl_renderbuffer *rb,
- GLint x, GLint y, GLsizei width)
-{
- const GLint yoffset = 0, zoffset = 0;
- const GLsizei height = 1;
- st_copy_texsubimage(ctx, texImage,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- rb, x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage2D(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint xoffset, GLint yoffset,
- struct gl_renderbuffer *rb,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- const GLint zoffset = 0;
- st_copy_texsubimage(ctx, texImage,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- rb, x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage3D(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint xoffset, GLint yoffset, GLint zoffset,
- struct gl_renderbuffer *rb,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- st_copy_texsubimage(ctx, texImage,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- rb, x, y, width, height); /* src X, Y, size */
-}
-
-
/**
* Copy image data from stImage into the texture object 'stObj' at level
* 'dstLevel'.
/* Copy potentially with the blitter:
*/
GLuint src_level;
- if (stImage->pt != stObj->pt)
+ if (stImage->pt->last_level == 0)
src_level = 0;
else
src_level = stImage->base.Level;
+ assert(src_level <= stImage->pt->last_level);
+ assert(u_minify(stImage->pt->width0, src_level) == stImage->base.Width);
+ assert(stImage->pt->target == PIPE_TEXTURE_1D_ARRAY ||
+ u_minify(stImage->pt->height0, src_level) == stImage->base.Height);
+ assert(stImage->pt->target == PIPE_TEXTURE_2D_ARRAY ||
+ stImage->pt->target == PIPE_TEXTURE_CUBE_ARRAY ||
+ u_minify(stImage->pt->depth0, src_level) == stImage->base.Depth);
+
st_texture_image_copy(st->pipe,
stObj->pt, dstLevel, /* dest texture, level */
stImage->pt, src_level, /* src texture, level */
GLuint face;
struct st_texture_image *firstImage;
enum pipe_format firstImageFormat;
- GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers, ptNumSamples;
if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
stObj->lastLevel = stObj->base._MaxLevel;
}
+ if (tObj->Target == GL_TEXTURE_BUFFER) {
+ struct st_buffer_object *st_obj = st_buffer_object(tObj->BufferObject);
+
+ if (!st_obj) {
+ pipe_resource_reference(&stObj->pt, NULL);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ return GL_TRUE;
+ }
+
+ if (st_obj->buffer != stObj->pt) {
+ pipe_resource_reference(&stObj->pt, st_obj->buffer);
+ pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+ stObj->width0 = stObj->pt->width0 / _mesa_get_format_bytes(tObj->_BufferObjectFormat);
+ stObj->height0 = 1;
+ stObj->depth0 = 1;
+ }
+ return GL_TRUE;
+
+ }
+
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
assert(firstImage);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
+ /* If this texture comes from a window system, there is nothing else to do. */
+ if (stObj->surface_based) {
+ return GL_TRUE;
+ }
+
/* Find gallium format for the Mesa texture */
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
/* convert GL dims to Gallium dims */
st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
+ ptNumSamples = firstImage->base.NumSamples;
}
/* If we already have a gallium texture, check that it matches the texture
*/
if (stObj->pt) {
if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
- !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
+ stObj->pt->format != firstImageFormat ||
stObj->pt->last_level < stObj->lastLevel ||
stObj->pt->width0 != ptWidth ||
stObj->pt->height0 != ptHeight ||
stObj->pt->depth0 != ptDepth ||
+ stObj->pt->nr_samples != ptNumSamples ||
stObj->pt->array_size != ptLayers)
{
/* The gallium texture does not match the Mesa texture so delete the
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, ptNumSamples,
bindings);
if (!stObj->pt) {
GLsizei levels, GLsizei width,
GLsizei height, GLsizei depth)
{
- const GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+ const GLuint numFaces = _mesa_num_tex_faces(texObj->Target);
+ struct gl_texture_image *texImage = texObj->Image[0][0];
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
+ struct pipe_screen *screen = st->pipe->screen;
GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings;
enum pipe_format fmt;
GLint level;
+ GLuint num_samples = texImage->NumSamples;
assert(levels > 0);
stObj->depth0 = depth;
stObj->lastLevel = levels - 1;
- fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat);
+ fmt = st_mesa_format_to_pipe_format(texImage->TexFormat);
bindings = default_bindings(st, fmt);
+ /* Raise the sample count if the requested one is unsupported. */
+ if (num_samples > 1) {
+ boolean found = FALSE;
+
+ for (; num_samples <= ctx->Const.MaxSamples; num_samples++) {
+ if (screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D,
+ num_samples,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ /* Update the sample count in gl_texture_image as well. */
+ texImage->NumSamples = num_samples;
+ found = TRUE;
+ break;
+ }
+ }
+
+ if (!found) {
+ return GL_FALSE;
+ }
+ }
+
st_gl_texture_dims_to_pipe_dims(texObj->Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(texObj->Target),
fmt,
- levels,
+ levels - 1,
ptWidth,
ptHeight,
ptDepth,
- ptLayers,
+ ptLayers, num_samples,
bindings);
if (!stObj->pt)
return GL_FALSE;
}
+static GLboolean
+st_TestProxyTexImage(struct gl_context *ctx, GLenum target,
+ GLint level, mesa_format format,
+ GLint width, GLint height,
+ GLint depth, GLint border)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+
+ if (width == 0 || height == 0 || depth == 0) {
+ /* zero-sized images are legal, and always fit! */
+ return GL_TRUE;
+ }
+
+ if (pipe->screen->can_create_resource) {
+ /* Ask the gallium driver if the texture is too large */
+ struct gl_texture_object *texObj =
+ _mesa_get_current_tex_object(ctx, target);
+ struct pipe_resource pt;
+
+ /* Setup the pipe_resource object
+ */
+ memset(&pt, 0, sizeof(pt));
+
+ pt.target = gl_target_to_pipe(target);
+ pt.format = st_mesa_format_to_pipe_format(format);
+
+ st_gl_texture_dims_to_pipe_dims(target,
+ width, height, depth,
+ &pt.width0, &pt.height0,
+ &pt.depth0, &pt.array_size);
+
+ if (level == 0 && (texObj->Sampler.MinFilter == GL_LINEAR ||
+ texObj->Sampler.MinFilter == GL_NEAREST)) {
+ /* assume just one mipmap level */
+ pt.last_level = 0;
+ }
+ else {
+ /* assume a full set of mipmaps */
+ pt.last_level = _mesa_logbase2(MAX3(width, height, depth));
+ }
+
+ return pipe->screen->can_create_resource(pipe->screen, &pt);
+ }
+ else {
+ /* Use core Mesa fallback */
+ return _mesa_test_proxy_teximage(ctx, target, level, format,
+ width, height, depth, border);
+ }
+}
+
void
st_init_texture_functions(struct dd_function_table *functions)
{
functions->ChooseTextureFormat = st_ChooseTextureFormat;
- functions->TexImage1D = st_TexImage1D;
- functions->TexImage2D = st_TexImage2D;
- functions->TexImage3D = st_TexImage3D;
- functions->TexSubImage1D = _mesa_store_texsubimage1d;
- functions->TexSubImage2D = _mesa_store_texsubimage2d;
- functions->TexSubImage3D = _mesa_store_texsubimage3d;
- functions->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d;
- functions->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d;
- functions->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d;
- functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
- functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
- functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
+ functions->QuerySamplesForFormat = st_QuerySamplesForFormat;
+ functions->TexImage = st_TexImage;
+ functions->TexSubImage = st_TexSubImage;
+ functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
+ functions->CopyTexSubImage = st_CopyTexSubImage;
functions->GenerateMipmap = st_generate_mipmap;
functions->GetTexImage = st_GetTexImage;
/* compressed texture functions */
- functions->CompressedTexImage2D = st_CompressedTexImage2D;
+ functions->CompressedTexImage = st_CompressedTexImage;
functions->GetCompressedTexImage = _mesa_get_compressed_teximage;
functions->NewTextureObject = st_NewTextureObject;
functions->UnmapTextureImage = st_UnmapTextureImage;
/* XXX Temporary until we can query pipe's texture sizes */
- functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+ functions->TestProxyTexImage = st_TestProxyTexImage;
functions->AllocTextureStorage = st_AllocTextureStorage;
}