75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
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#include "tools/test.h"
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#include <stdint.h>
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#include <GL/gl.h>
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#include <GL/glkos.h>
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class TexImage2DTests : public test::TestCase {
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public:
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uint8_t image_data[8 * 8 * 4] = {0};
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void set_up() {
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glKosInit();
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/* Init image data so each texel RGBA value matches the
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* position in the array */
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for(int i = 0; i < 8 * 8 * 4; i += 4) {
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image_data[i + 0] = i;
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image_data[i + 1] = i;
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image_data[i + 2] = i;
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image_data[i + 3] = i;
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}
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}
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void tear_down() {
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glKosShutdown();
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}
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void test_rgb_to_rgb565() {
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, image_data);
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assert_equal(glGetError(), GL_NO_ERROR);
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GLint internalFormat;
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glGetIntegerv(GL_TEXTURE_INTERNAL_FORMAT_KOS, &internalFormat);
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assert_equal(internalFormat, GL_RGB565_KOS);
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}
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void test_rgb_to_rgb565_twiddle() {
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glEnable(GL_TEXTURE_TWIDDLE_KOS);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, image_data);
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glDisable(GL_TEXTURE_TWIDDLE_KOS);
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assert_equal(glGetError(), GL_NO_ERROR);
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GLint internalFormat;
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glGetIntegerv(GL_TEXTURE_INTERNAL_FORMAT_KOS, &internalFormat);
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assert_equal(internalFormat, GL_RGB565_TWID_KOS);
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}
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void test_rgba_to_argb4444() {
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
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assert_equal(glGetError(), GL_NO_ERROR);
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GLint internalFormat;
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glGetIntegerv(GL_TEXTURE_INTERNAL_FORMAT_KOS, &internalFormat);
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assert_equal(internalFormat, GL_ARGB4444_KOS);
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}
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void test_rgba_to_argb4444_twiddle() {
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glEnable(GL_TEXTURE_TWIDDLE_KOS);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
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glDisable(GL_TEXTURE_TWIDDLE_KOS);
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assert_equal(glGetError(), GL_NO_ERROR);
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GLint internalFormat;
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glGetIntegerv(GL_TEXTURE_INTERNAL_FORMAT_KOS, &internalFormat);
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assert_equal(internalFormat, GL_ARGB4444_TWID_KOS);
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}
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};
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