[Piglit] [PATCH 3/3] ARB_copy_image: Test different combinations of texture formats
Jason Ekstrand
jason at jlekstrand.net
Mon Jun 30 10:19:41 PDT 2014
On Mon, Jun 30, 2014 at 8:29 AM, Dylan Baker <baker.dylan.c at gmail.com>
wrote:
> On Friday, June 27, 2014 04:31:54 PM Jason Ekstrand wrote:
> > This tests glCopyTexSubImage on all of the allowed combinations of
> internal
> > texture formats.
> >
> > Signed-off-by: Jason Ekstrand <jason.ekstrand at intel.com>
> > ---
> > tests/all.py | 77 +++++++
> > tests/spec/arb_copy_image/CMakeLists.gl.txt | 1 +
> > tests/spec/arb_copy_image/formats.c | 334
> > ++++++++++++++++++++++++++++ 3 files changed, 412 insertions(+)
> > create mode 100644 tests/spec/arb_copy_image/formats.c
> >
> > diff --git a/tests/all.py b/tests/all.py
> > index 8235e6e..02fc9d2 100644
> > --- a/tests/all.py
> > +++ b/tests/all.py
> > @@ -3188,6 +3188,83 @@ add_concurrent_test(arb_copy_image,
> > 'arb_copy_image-targets GL_TEXTURE_3D 32 32
> > add_concurrent_test(arb_copy_image, 'arb_copy_image-targets GL_TEXTURE_3D
> > 32 32 17 GL_TEXTURE_CUBE_MAP_ARRAY 16 16 18 11 5 2 5 9 7 5 7 11')
> > add_concurrent_test(arb_copy_image, 'arb_copy_image-targets GL_TEXTURE_3D
> > 32 32 17 GL_TEXTURE_3D 32 16 18 11 5 2 5 9 7 14 7 11')
> >
> > +def arb_copy_image_add_format_tests(formats):
> > + for src_format in formats:
> > + for dst_format in formats:
> > + add_concurrent_test(arb_copy_image,'arb_copy_image-formats
> ' +
> > + src_format + ' ' + dst_format)
>
> a couple of things:
> 1) you're missing a space after the comma in add_concurrent_test
> 2) using str.format() is almost always more readable than concat
> 3) itertools is your friend
>
> for src, dst, in itertools.product(formats, repeat=2):
> add_concurrent_test(
> arb_copy_image,
> 'arb_copy_image-formats {0} {1}'.format(src, dst))
>
Thanks, I've never used itertools before. (I've wanted it for a while)
--Jason
>
> > +
> > +arb_copy_image_add_format_tests([
> > + 'GL_R8UI',
> > + 'GL_R8I',
> > + 'GL_R8',
> > + 'GL_R8_SNORM',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RG8UI',
> > + 'GL_RG8I',
> > + 'GL_RG8',
> > + 'GL_RG8_SNORM',
> > + 'GL_R16UI',
> > + 'GL_R16I',
> > + 'GL_R16',
> > + 'GL_R16_SNORM',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGB8UI',
> > + 'GL_RGB8I',
> > + 'GL_RGB8',
> > + 'GL_RGB8_SNORM',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGBA8UI',
> > + 'GL_RGBA8I',
> > + 'GL_RGBA8',
> > + 'GL_RGBA8_SNORM',
> > + 'GL_RG16UI',
> > + 'GL_RG16I',
> > + 'GL_RG16',
> > + 'GL_RG16_SNORM',
> > + 'GL_R32F',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGB16UI',
> > + 'GL_RGB16I',
> > + 'GL_RGB16',
> > + 'GL_RGB16_SNORM',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGBA16UI',
> > + 'GL_RGBA16I',
> > + 'GL_RGBA16',
> > + 'GL_RGBA16_SNORM',
> > + 'GL_RG32UI',
> > + 'GL_RG32I',
> > + 'GL_RG32F',
> > + 'GL_COMPRESSED_RGB_S3TC_DXT1_EXT',
> > + 'GL_COMPRESSED_SRGB_S3TC_DXT1_EXT',
> > + 'GL_COMPRESSED_RGBA_S3TC_DXT1_EXT',
> > + 'GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT',
> > + 'GL_COMPRESSED_RED_RGTC1',
> > + 'GL_COMPRESSED_SIGNED_RED_RGTC1',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGB32UI',
> > + 'GL_RGB32I',
> > + 'GL_RGB32F',
> > +])
> > +arb_copy_image_add_format_tests([
> > + 'GL_RGBA32UI',
> > + 'GL_RGBA32I',
> > + 'GL_RGBA32F',
> > + 'GL_COMPRESSED_RGBA_S3TC_DXT3_EXT',
> > + 'GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT',
> > + 'GL_COMPRESSED_RGBA_S3TC_DXT5_EXT',
> > + 'GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT',
> > + 'GL_COMPRESSED_RG_RGTC2',
> > + 'GL_COMPRESSED_SIGNED_RG_RGTC2',
> > +])
> > +
> > arb_half_float_vertex = {}
> > spec['ARB_half_float_vertex'] = arb_half_float_vertex
> > add_plain_test(arb_half_float_vertex, 'draw-vertices-half-float')
> > diff --git a/tests/spec/arb_copy_image/CMakeLists.gl.txt
> > b/tests/spec/arb_copy_image/CMakeLists.gl.txt index f0d631a..c8b0406
> 100644
> > --- a/tests/spec/arb_copy_image/CMakeLists.gl.txt
> > +++ b/tests/spec/arb_copy_image/CMakeLists.gl.txt
> > @@ -10,5 +10,6 @@ link_libraries (
> >
> > piglit_add_executable (arb_copy_image-simple simple.c)
> > piglit_add_executable (arb_copy_image-targets targets.c)
> > +piglit_add_executable (arb_copy_image-formats formats.c)
> >
> > # vim: ft=cmake:
> > diff --git a/tests/spec/arb_copy_image/formats.c
> > b/tests/spec/arb_copy_image/formats.c new file mode 100644
> > index 0000000..fdc4584
> > --- /dev/null
> > +++ b/tests/spec/arb_copy_image/formats.c
> > @@ -0,0 +1,334 @@
> > +/*
> > + * Copyright 2014 Intel Corporation
> > + *
> > + * Permission is hereby granted, free of charge, to any person
> obtaining a
> > + * copy of this software and associated documentation files (the
> > "Software"), + * to deal in the Software without restriction, including
> > without limitation + * the rights to use, copy, modify, merge, publish,
> > distribute, sublicense, + * and/or sell copies of the Software, and to
> > permit persons to whom the + * Software is furnished to do so, subject to
> > the following conditions: + *
> > + * The above copyright notice and this permission notice (including the
> > next + * paragraph) shall be included in all copies or substantial
> portions
> > of the + * Software.
> > + *
> > + * 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
> NONINFRINGEMENT.
> > IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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.
> > + */
> > +
> > +/*
> > + * This tests glCopySubImageData on different (possibly compressed)
> texture
> > + * formats. One texture is created and filled with random data. The +
> *
> > texture is then copied to a second texture, the texture is downloaded, +
> *
> > and the data verified. Because glCopySubImageData is supposed to be a +
> *
> > direct memcpy, the copy is verified to be bit-for-bit copy of the + *
> > original.
> > + */
> > +
> > +#include "piglit-util-gl-common.h"
> > +
> > +#define TEX_SIZE 32
> > +
> > +PIGLIT_GL_TEST_CONFIG_BEGIN
> > +
> > + config.supports_gl_compat_version = 13;
> > +
> > + config.window_width = TEX_SIZE * 12;
> > + config.window_height = TEX_SIZE * 4;
> > + config.window_visual = PIGLIT_GL_VISUAL_RGB |
> PIGLIT_GL_VISUAL_DOUBLE;
> > +
> > +PIGLIT_GL_TEST_CONFIG_END
> > +
> > +struct texture_format {
> > + GLenum internal_format;
> > + const char *name;
> > + GLenum format;
> > + GLenum data_type;
> > + GLuint bytes;
> > + GLuint block_width;
> > + GLuint block_height;
> > +};
> > +
> > +#define FORMAT(IF, F, D, B, W, H) { IF, #IF, F, D, B, W, H }
> > +
> > +struct texture_format formats[] = {
> > + FORMAT(GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, 1, 1, 1),
> > + FORMAT(GL_R8I, GL_RED_INTEGER, GL_BYTE, 1, 1, 1),
> > + FORMAT(GL_R8, GL_RED, GL_UNSIGNED_BYTE, 1, 1, 1),
> > + FORMAT(GL_R8_SNORM, GL_RED, GL_BYTE, 1, 1, 1),
> > +
> > + FORMAT(GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE, 2, 1, 1),
> > + FORMAT(GL_RG8I, GL_RG_INTEGER, GL_BYTE, 2, 1, 1),
> > + FORMAT(GL_RG8, GL_RG, GL_UNSIGNED_BYTE, 2, 1, 1),
> > + FORMAT(GL_RG8_SNORM, GL_RG, GL_BYTE, 2, 1, 1),
> > + FORMAT(GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, 2, 1, 1),
> > + FORMAT(GL_R16I, GL_RED_INTEGER, GL_SHORT, 2, 1, 1),
> > + FORMAT(GL_R16, GL_RED, GL_UNSIGNED_SHORT, 2, 1, 1),
> > + FORMAT(GL_R16_SNORM, GL_RED, GL_SHORT, 2, 1, 1),
> > +
> > + FORMAT(GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, 3, 1, 1),
> > + FORMAT(GL_RGB8I, GL_RGB_INTEGER, GL_BYTE, 3, 1, 1),
> > + FORMAT(GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE, 3, 1, 1),
> > + FORMAT(GL_RGB8_SNORM, GL_RGB, GL_BYTE, 3, 1, 1),
> > +
> > + FORMAT(GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, 4, 1, 1),
> > + FORMAT(GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, 4, 1, 1),
> > + FORMAT(GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, 4, 1, 1),
> > + FORMAT(GL_RGBA8_SNORM, GL_RGBA, GL_BYTE, 4, 1, 1),
> > + FORMAT(GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, 4, 1, 1),
> > + FORMAT(GL_RG16I, GL_RG_INTEGER, GL_SHORT, 4, 1, 1),
> > + FORMAT(GL_RG16, GL_RG, GL_UNSIGNED_SHORT, 4, 1, 1),
> > + FORMAT(GL_RG16_SNORM, GL_RG, GL_SHORT, 4, 1, 1),
> > + FORMAT(GL_R32F, GL_RED, GL_FLOAT, 4, 1, 1),
> > +
> > + FORMAT(GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, 6, 1, 1),
> > + FORMAT(GL_RGB16I, GL_RGB_INTEGER, GL_SHORT, 6, 1, 1),
> > + FORMAT(GL_RGB16, GL_RGB, GL_UNSIGNED_SHORT, 6, 1, 1),
> > + FORMAT(GL_RGB16_SNORM, GL_RGB, GL_SHORT, 6, 1, 1),
> > +
> > + FORMAT(GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, 8, 1, 1),
> > + FORMAT(GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT, 8, 1, 1),
> > + FORMAT(GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, 8, 1, 1),
> > + FORMAT(GL_RGBA16_SNORM, GL_RGBA, GL_SHORT, 8, 1, 1),
> > + FORMAT(GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, 8, 1, 1),
> > + FORMAT(GL_RG32I, GL_RG_INTEGER, GL_INT, 8, 1, 1),
> > + FORMAT(GL_RG32F, GL_RG, GL_FLOAT, 8, 1, 1),
> > +
> > + FORMAT(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RED, GL_BYTE, 8, 4, 4),
> > + FORMAT(GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_RED, GL_BYTE, 8, 4, 4),
> > + FORMAT(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_RED, GL_BYTE, 8, 4, 4),
> > + FORMAT(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_RED, GL_BYTE, 8,
> 4, 4),
> > + FORMAT(GL_COMPRESSED_RED_RGTC1, GL_RED, GL_BYTE, 8, 4, 4),
> > + FORMAT(GL_COMPRESSED_SIGNED_RED_RGTC1, GL_RED, GL_BYTE, 8, 4, 4),
> > +
> > + FORMAT(GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT, 12, 1, 1),
> > + FORMAT(GL_RGB32I, GL_RGB_INTEGER, GL_INT, 12, 1, 1),
> > + FORMAT(GL_RGB32F, GL_RGB, GL_FLOAT, 12, 1, 1),
> > +
> > + FORMAT(GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, 16, 1, 1),
> > + FORMAT(GL_RGBA32I, GL_RGBA_INTEGER, GL_INT, 16, 1, 1),
> > + FORMAT(GL_RGBA32F, GL_RGBA, GL_FLOAT, 16, 1, 1),
> > +
> > + FORMAT(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RED, GL_BYTE, 16, 4,
> 4),
> > + FORMAT(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RED, GL_BYTE,
> 16, 4,
> 4),
> > + FORMAT(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RED, GL_BYTE, 16, 4,
> 4),
> > + FORMAT(GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RED, GL_BYTE,
> 16, 4,
> > 4), + FORMAT(GL_COMPRESSED_RG_RGTC2, GL_RED, GL_BYTE, 16, 4, 4),
> > + FORMAT(GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RED, GL_BYTE, 16, 4, 4),
> > +
> > +#ifdef GL_COMPRESSED_RGBA_BPTC_UNORM
> > + FORMAT(GL_COMPRESSED_RGBA_BPTC_UNORM, GL_RGBA, GL_BYTE, 16, 4, 4),
> > + FORMAT(GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, GL_RGB, GL_BYTE, 16,
> 4, 4),
> > + FORMAT(GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, GL_RGB, GL_BYTE, 16,
> 4, 4),
> > + FORMAT(GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, GL_RGB, GL_BYTE, 16,
> 4, 4),
> > +#endif
> > +};
> > +
> > +#undef FORMAT
> > +
> > +struct texture_format *
> > +find_format(const char *str)
> > +{
> > + int i;
> > +
> > + for (i = 0; i < sizeof(formats) / sizeof(*formats); ++i)
> > + if (strcmp(str, formats[i].name) == 0)
> > + return &formats[i];
> > +
> > + return NULL;
> > +}
> > +
> > +struct texture_format *src_format, *dst_format;
> > +unsigned char *src_data, *dst_data, *result;
> > +
> > +void
> > +piglit_init(int argc, char **argv)
> > +{
> > + int i, seed;
> > +
> > + if (sscanf(argv[1], "--seed=%d", &seed) > 0) {
> > + srand(seed);
> > + --argc;
> > + ++argv;
> > + } else {
> > + srand(0);
> > + }
> > +
> > + if (argc < 2) {
> > + printf("usage: [--seed=seed] arb_copy_image-formats
> src_format
> > dst_format"); + exit(1);
> > + }
> > +
> > + piglit_require_extension("GL_ARB_copy_image");
> > +
> > + src_format = find_format(argv[1]);
> > + assert(src_format != NULL);
> > +
> > + dst_format = find_format(argv[2]);
> > + assert(dst_format != NULL);
> > +
> > + assert(dst_format->bytes == src_format->bytes);
> > +
> > + src_data = malloc(TEX_SIZE * TEX_SIZE * src_format->bytes);
> > + dst_data = malloc(TEX_SIZE * TEX_SIZE * dst_format->bytes);
> > + result = malloc(TEX_SIZE * TEX_SIZE * dst_format->bytes);
> > +
> > + if (src_format->data_type == GL_FLOAT ||
> > + dst_format->data_type == GL_FLOAT) {
> > + /* If it's a floating-point type, let's avoid using invalid
> > + * floating-point values. That might throw things off */
> > +
> > + for (i = 0; i < TEX_SIZE * TEX_SIZE * src_format->bytes /
> sizeof(float);
> > ++i) + ((float *)src_data)[i] = rand() /
> (float)RAND_MAX;
> > +
> > + for (i = 0; i < TEX_SIZE * TEX_SIZE * src_format->bytes /
> sizeof(float);
> > ++i) + ((float *)dst_data)[i] = rand() /
> (float)RAND_MAX;
> > + } else {
> > + for (i = 0; i < TEX_SIZE * TEX_SIZE * src_format->bytes;
> ++i)
> > + src_data[i] = rand();
> > +
> > + for (i = 0; i < TEX_SIZE * TEX_SIZE * src_format->bytes;
> ++i)
> > + dst_data[i] = rand();
> > + }
> > +
> > + memcpy(result,
> > + dst_data,
> > + (TEX_SIZE / 4) * TEX_SIZE * src_format->bytes);
> > + for (i = TEX_SIZE / 4; i < (TEX_SIZE / 4) * 3; ++i) {
> > + memcpy(result + (i * TEX_SIZE) * src_format->bytes,
> > + dst_data + (i * TEX_SIZE) * src_format->bytes,
> > + (TEX_SIZE / 4) * src_format->bytes);
> > +
> > + memcpy(result + (i * TEX_SIZE + TEX_SIZE / 4) *
> src_format->bytes,
> > + src_data + (i * TEX_SIZE + TEX_SIZE / 4) *
> src_format->bytes,
> > + (TEX_SIZE / 2) * src_format->bytes);
> > +
> > + memcpy(result + (i * TEX_SIZE + (TEX_SIZE / 4) * 3) *
> src_format-
> >bytes,
> > + dst_data + (i * TEX_SIZE + (TEX_SIZE / 4) * 3) *
> > src_format->bytes, + (TEX_SIZE / 4) * src_format->bytes);
> > + }
> > + memcpy(result + ((TEX_SIZE / 4) * 3) * TEX_SIZE *
> src_format->bytes,
> > + dst_data + ((TEX_SIZE / 4) * 3) * TEX_SIZE *
> src_format->bytes,
> > + (TEX_SIZE / 4) * TEX_SIZE * src_format->bytes);
> > +}
> > +
> > +bool
> > +check_texture(GLuint texture, struct texture_format *format,
> > + unsigned char *data)
> > +{
> > + int i, j, k;
> > + bool pass = true;
> > + unsigned char *tex_data;
> > + float passrate;
> > +
> > + tex_data = malloc(TEX_SIZE * TEX_SIZE * format->bytes);
> > +
> > + glBindTexture(GL_TEXTURE_2D, texture);
> > + if (format->block_width != 1 || format->block_height != 1) {
> > + /* Compressed */
> > + glGetCompressedTexImage(GL_TEXTURE_2D, 0, tex_data);
> > + } else {
> > + glGetTexImage(GL_TEXTURE_2D, 0, format->format,
> > + format->data_type, tex_data);
> > + }
> > +
> > + passrate = 0;
> > + for (j = 0; j < TEX_SIZE; ++j) {
> > + for (i = 0; i < TEX_SIZE; ++i) {
> > + if (memcmp(tex_data + ((j * TEX_SIZE) + i) *
> format->bytes,
> > + data + ((j * TEX_SIZE) + i) *
> format->bytes,
> > + format->bytes) == 0) {
> > + passrate += 1;
> > + } else {
> > + fprintf(stdout, "texel mismatch at (%d,
> %d); expected 0x",
> > + i, j);
> > + for (k = format->bytes - 1; k >= 0; --k)
> > + fprintf(stdout, "%02x", data[((j *
> TEX_SIZE) + i) *
> format->bytes +
> > k]); +
> > + fprintf(stdout, ", received 0x");
> > + for (k = format->bytes - 1; k >= 0; --k)
> > + fprintf(stdout, "%02x",
> tex_data[((j * TEX_SIZE) + i) *
> format->bytes
> > + k]); + fprintf(stdout, ".\n");
> > +
> > + pass = false;
> > + }
> > + }
> > + }
> > + passrate /= TEX_SIZE * TEX_SIZE;
> > + printf("%0.1f%% of pixels match\n", passrate * 100);
> > +
> > + return pass;
> > +}
> > +
> > +enum piglit_result
> > +piglit_display(void)
> > +{
> > + bool pass = true;
> > + GLuint texture[2];
> > + GLuint src_width, src_height, dst_width, dst_height;
> > +
> > + glEnable(GL_TEXTURE_2D);
> > +
> > + glGenTextures(2, texture);
> > +
> > + src_width = TEX_SIZE * src_format->block_width;
> > + src_height = TEX_SIZE * src_format->block_height;
> > +
> > + glBindTexture(GL_TEXTURE_2D, texture[0]);
> > + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
> > + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
> > + if (src_format->block_width != 1 || src_format->block_height != 1)
> {
> > + /* Compressed */
> > + glCompressedTexImage2D(GL_TEXTURE_2D, 0,
> > + src_format->internal_format,
> > + src_width, src_height, 0,
> > + TEX_SIZE * TEX_SIZE *
> src_format->bytes,
> > + src_data);
> > + } else {
> > + glTexImage2D(GL_TEXTURE_2D, 0, src_format->internal_format,
> > + src_width, src_height, 0, src_format->format,
> > + src_format->data_type, src_data);
> > + }
> > + pass &= piglit_check_gl_error(GL_NO_ERROR);
> > + pass &= check_texture(texture[0], src_format, src_data);
> > +
> > + dst_width = TEX_SIZE * dst_format->block_width;
> > + dst_height = TEX_SIZE * dst_format->block_height;
> > +
> > + glBindTexture(GL_TEXTURE_2D, texture[1]);
> > + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
> > + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
> > + if (dst_format->block_width != 1 || dst_format->block_height != 1)
> {
> > + /* Compressed */
> > + glCompressedTexImage2D(GL_TEXTURE_2D, 0,
> > + dst_format->internal_format,
> > + dst_width, dst_height, 0,
> > + TEX_SIZE * TEX_SIZE *
> dst_format->bytes,
> > + dst_data);
> > + } else {
> > + glTexImage2D(GL_TEXTURE_2D, 0, dst_format->internal_format,
> > + dst_width, dst_height, 0, dst_format->format,
> > + dst_format->data_type, dst_data);
> > + }
> > + pass &= piglit_check_gl_error(GL_NO_ERROR);
> > + pass &= check_texture(texture[1], dst_format, dst_data);
> > +
> > + glCopyImageSubData(texture[0], GL_TEXTURE_2D, 0,
> > + src_width / 4, src_height / 4, 0,
> > + texture[1], GL_TEXTURE_2D, 0,
> > + dst_width / 4, dst_height / 4, 0,
> > + src_width / 2, src_height / 2, 1);
> > + pass &= piglit_check_gl_error(GL_NO_ERROR);
> > + pass &= check_texture(texture[1], dst_format, result);
> > +
> > + glDeleteTextures(2, texture);
> > +
> > + glDisable(GL_TEXTURE_2D);
> > +
> > + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> > +}
>
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