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adding more texture compression samples/tests

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This commit is contained in:
Richard Geldreich
2026-03-02 20:29:17 -05:00
parent 52bee5888c
commit dc420a138f
1 changed files with 54 additions and 18 deletions
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72
example/example.cpp
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@@ -1534,7 +1534,7 @@ static bool test_compress_xuastc_ldr_6x6()
}
// View the resulting texture video .basis file using the webgl/video_test WebGL sample.
static bool test_compress_etc1s_texture_video()
static bool test_compress_etc1s_texture_video(bool write_ktx2_flag, bool gen_mips_flag)
{
printf("test_compress_etc1s_texture_video:\n");
@@ -1549,6 +1549,8 @@ static bool test_compress_etc1s_texture_video()
// Input is sRGB
params.set_srgb_options(true);
params.m_mip_gen = gen_mips_flag;
// Create the frames to compress
for (uint32_t frame_index = 0; frame_index < NUM_FRAMES; frame_index++)
{
@@ -1570,7 +1572,15 @@ static bool test_compress_etc1s_texture_video()
// Write a .basis file to disk. (.KTX2 supports texture video too, but our current texture video WebGL sample only supports .basis.)
params.m_write_output_basis_or_ktx2_files = true;
params.m_out_filename = "test_etc1s_texture_video.basis";
if (write_ktx2_flag)
{
params.m_create_ktx2_file = true;
params.m_out_filename = gen_mips_flag ? "test_etc1s_texture_video_mips.ktx2" : "test_etc1s_texture_video.ktx2";
}
else
{
params.m_out_filename = gen_mips_flag ? "test_etc1s_texture_video_mips.basis" : "test_etc1s_texture_video.basis";
}
// Create a job pool. A job pool MUST always be created, even if threading is disabled.
// num_total_threads is the TOTAL thread count: 1 = calling thread only, 7 = calling thread + 6 extra.
@@ -1592,7 +1602,7 @@ static bool test_compress_etc1s_texture_video()
}
// View the resulting texture video .basis file using the webgl/video_test WebGL sample.
static bool test_compress_xuastc_ldr_texture_video()
static bool test_compress_xuastc_ldr_texture_video(bool write_ktx2_flag, bool gen_mips_flag)
{
printf("test_compress_xuastc_ldr_texture_video:\n");
@@ -1607,6 +1617,8 @@ static bool test_compress_xuastc_ldr_texture_video()
// Input is sRGB
params.set_srgb_options(true);
params.m_mip_gen = gen_mips_flag;
// Create the frames to compress
for (uint32_t frame_index = 0; frame_index < NUM_FRAMES; frame_index++)
{
@@ -1628,7 +1640,15 @@ static bool test_compress_xuastc_ldr_texture_video()
// Write a .basis file to disk. (.KTX2 supports texture video too, but our current texture video WebGL sample only supports .basis.)
params.m_write_output_basis_or_ktx2_files = true;
params.m_out_filename = "test_xuastc_ldr_texture_video.basis";
if (write_ktx2_flag)
{
params.m_create_ktx2_file = true;
params.m_out_filename = gen_mips_flag ? "test_xuastc_ldr_texture_video_mips.ktx2" : "test_xuastc_ldr_texture_video.ktx2";
}
else
{
params.m_out_filename = gen_mips_flag ? "test_xuastc_ldr_texture_video_mips.basis" : "test_xuastc_ldr_texture_video.basis";
}
// Create a job pool. A job pool MUST always be created, even if threading is disabled.
// num_total_threads is the TOTAL thread count: 1 = calling thread only, 7 = calling thread + 6 extra.
@@ -1732,7 +1752,7 @@ static bool test_compress_uastc_hdr_6x6i_array_custom_mipmap()
}
// Creates a KTX2 ETC1S cubemap texture file
static bool test_compress_etc1s_cubemap()
static bool test_compress_etc1s_cubemap(bool tex_array_flag)
{
printf("test_compress_etc1s_cubemap:\n");
@@ -1749,16 +1769,21 @@ static bool test_compress_etc1s_cubemap()
// Standard face order
static const char* s_pFace_names[6] = { "+X", "-X", "+Y", "-Y", "+Z", "-Z" };
const uint32_t num_layers = tex_array_flag ? 3 : 1;
// Create the 6 faces to compress (for arrays, feed in 6*X)
for (uint32_t face_index = 0; face_index < 6; face_index++)
for (uint32_t layer_index = 0; layer_index < num_layers; layer_index++)
{
image img(W, H);
img.debug_text(0, 10, 1, 1, g_white_color, &g_black_color, false, fmt_string("Face {} {}", face_index, s_pFace_names[face_index]).c_str());
for (uint32_t face_index = 0; face_index < 6; face_index++)
{
image img(W, H);
// Provide the HDR source image.
params.m_source_images.push_back(img);
img.debug_text(0, 10, 1, 1, g_white_color, &g_black_color, false, fmt_string("Layer {}, Face {} {}", layer_index, face_index, s_pFace_names[face_index]).c_str());
// Provide the HDR source image.
params.m_source_images.push_back(img);
}
}
// Enable debug/status output and statistics.
@@ -1774,7 +1799,7 @@ static bool test_compress_etc1s_cubemap()
// Write a .basis file to disk. (.KTX2 supports texture video too, but our current texture video WebGL sample only supports .basis.)
params.m_write_output_basis_or_ktx2_files = true;
params.m_create_ktx2_file = true;
params.m_out_filename = "test_etc1s_cubemap.ktx2";
params.m_out_filename = tex_array_flag ? "test_etc1s_cubemap_array.ktx2" : "test_etc1s_cubemap.ktx2";
// Create a job pool. A job pool MUST always be created, even if threading is disabled.
// num_total_threads is the TOTAL thread count: 1 = calling thread only, 7 = calling thread + 6 extra.
@@ -1821,20 +1846,31 @@ static bool lowlevel_compression_tests()
if (!test_compress_xuastc_ldr_6x6())
return false;
if (!test_compress_etc1s_texture_video())
return false;
for (uint32_t ktx2_iter = 0; ktx2_iter < 2; ktx2_iter++)
{
for (uint32_t mips_iter = 0; mips_iter < 2; mips_iter++)
{
if (!test_compress_etc1s_texture_video(ktx2_iter != 0, mips_iter != 0))
return false;
if (!test_compress_xuastc_ldr_texture_video())
return false;
if (!test_compress_xuastc_ldr_texture_video(ktx2_iter != 0, mips_iter != 0))
return false;
} // mips_iter
} // ktx2_iter
if (!test_compress_uastc_hdr_6x6i_array_custom_mipmap())
return false;
if (!test_compress_etc1s_cubemap())
if (!test_compress_etc1s_cubemap(false))
return false;
if (!test_compress_etc1s_cubemap(true))
return false;
printf("lowlevel_compression_tests: Compression OK\n");
return true;
}