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LibGL: Implement GL_TEXTURE_ENV_COLOR

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This sets a constant color in the texture's environment for the fixed
function pipeline.
This commit is contained in:
Jelle Raaijmakers 2023-01-01 22:41:31 +01:00 • committed by Andreas Kling
parent 9b50d74df2
commit 474f9e9c69
8 changed files with 79 additions and 10 deletions
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20
Tests/LibGL/TestRender.cpp
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@ -299,3 +299,23 @@ TEST_CASE(0010_test_store_data_in_buffer)
context->present();
expect_bitmap_equals_reference(context->frontbuffer(), "0010_test_store_data_in_buffer"sv);
}
TEST_CASE(0011_tex_env_combine_with_constant_color)
{
auto context = create_testing_context(64, 64);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_CONSTANT);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
float color[4] = { .3f, .5f, .7f, 1.f };
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, color);
glRecti(-1, -1, 1, 1);
EXPECT_EQ(glGetError(), 0u);
context->present();
expect_bitmap_equals_reference(context->frontbuffer(), "0011_tex_env_combine_with_constant_color"sv);
}