129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
#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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uint8_t stride_image_data[96 * 48 * 4] = {0};
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void set_up() {
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GLdcConfig config;
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glKosInitConfig(&config);
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config.texture_twiddle = false;
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glKosInitEx(&config);
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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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void test_npot_rejected_without_stride_parameter() {
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 96, 48, 0, GL_RGB, GL_UNSIGNED_BYTE, stride_image_data);
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assert_equal(glGetError(), GL_INVALID_VALUE);
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}
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void test_strided_npot_upload_allowed_after_opt_in() {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 96);
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assert_equal(glGetError(), GL_NO_ERROR);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 96, 48, 0, GL_RGB, GL_UNSIGNED_BYTE, stride_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_strided_texture_width_must_match_stride() {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 64);
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assert_equal(glGetError(), GL_NO_ERROR);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 96, 48, 0, GL_RGB, GL_UNSIGNED_BYTE, stride_image_data);
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assert_equal(glGetError(), GL_INVALID_VALUE);
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}
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void test_strided_texture_rejects_invalid_stride_parameter() {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 65);
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assert_equal(glGetError(), GL_INVALID_VALUE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 1024);
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assert_equal(glGetError(), GL_INVALID_VALUE);
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}
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void test_strided_texture_rejects_twiddled_storage() {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 96);
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assert_equal(glGetError(), GL_NO_ERROR);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB_TWID_KOS, 96, 48, 0, GL_RGB, GL_UNSIGNED_BYTE, stride_image_data);
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assert_equal(glGetError(), GL_INVALID_OPERATION);
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}
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void test_strided_texture_rejects_mipmap_level() {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_STRIDE_KOS, 96);
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assert_equal(glGetError(), GL_NO_ERROR);
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glTexImage2D(GL_TEXTURE_2D, 1, GL_RGB, 96, 48, 0, GL_RGB, GL_UNSIGNED_BYTE, stride_image_data);
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assert_equal(glGetError(), GL_INVALID_VALUE);
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}
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};
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