C++ (Cpp) GPU_max_textures примеры использования

Пример #1

Файл: gpu_shader.c Проект: Ichthyostega/blender

void GPU_shader_uniform_texture(GPUShader *UNUSED(shader), int location, GPUTexture *tex)
{
	GLenum arbnumber;
	int number = GPU_texture_bound_number(tex);
	int bindcode = GPU_texture_opengl_bindcode(tex);
	int target = GPU_texture_target(tex);

	if (number >= GPU_max_textures()) {
		fprintf(stderr, "Not enough texture slots.\n");
		return;
	}

	if (number == -1)
		return;

	if (location == -1)
		return;

	GPU_ASSERT_NO_GL_ERRORS("Pre Uniform Texture");

	arbnumber = (GLenum)((GLuint)GL_TEXTURE0 + number);

	if (number != 0) glActiveTexture(arbnumber);
	if (bindcode != 0)
		glBindTexture(target, bindcode);
	else
		GPU_invalid_tex_bind(target);
	glUniform1i(location, number);
	glEnable(target);
	if (number != 0) glActiveTexture(GL_TEXTURE0);

	GPU_ASSERT_NO_GL_ERRORS("Post Uniform Texture");
}

Пример #2

Файл: gpu_texture.c Проект: GameLemur/blender

void GPU_texture_filter_mode(GPUTexture *tex, bool compare, bool use_filter)
{
	if (tex->number >= GPU_max_textures()) {
		fprintf(stderr, "Not enough texture slots.\n");
		return;
	}

	if (tex->number == -1)
		return;

	GPU_ASSERT_NO_GL_ERRORS("Pre Texture Unbind");

	GLenum arbnumber = (GLenum)((GLuint)GL_TEXTURE0 + tex->number);
	if (tex->number != 0) glActiveTexture(arbnumber);

	if (tex->depth) {
		if (compare)
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
		else
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
	}

	if (use_filter) {
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	}
	else {
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
	}
	if (tex->number != 0) glActiveTexture(GL_TEXTURE0);

	GPU_ASSERT_NO_GL_ERRORS("Post Texture Unbind");
}

Пример #3

Файл: gpu_texture.c Проект: GameLemur/blender

void GPU_texture_bind(GPUTexture *tex, int number)
{
	if (number >= GPU_max_textures()) {
		fprintf(stderr, "Not enough texture slots.\n");
		return;
	}

	if ((G.debug & G_DEBUG)) {
		if (tex->fb && GPU_framebuffer_bound(tex->fb)) {
			fprintf(stderr, "Feedback loop warning!: Attempting to bind texture attached to current framebuffer!\n");
		}
	}

	if (number < 0)
		return;

	GPU_ASSERT_NO_GL_ERRORS("Pre Texture Bind");

	GLenum arbnumber = (GLenum)((GLuint)GL_TEXTURE0 + number);
	if (number != 0) glActiveTexture(arbnumber);
	if (tex->bindcode != 0) {
		glBindTexture(tex->target, tex->bindcode);
	}
	else
		GPU_invalid_tex_bind(tex->target);
	glEnable(tex->target);
	if (number != 0) glActiveTexture(GL_TEXTURE0);

	tex->number = number;

	GPU_ASSERT_NO_GL_ERRORS("Post Texture Bind");
}

Пример #4

Файл: gpu_texture.c Проект: GameLemur/blender

void GPU_texture_unbind(GPUTexture *tex)
{
	if (tex->number >= GPU_max_textures()) {
		fprintf(stderr, "Not enough texture slots.\n");
		return;
	}

	if (tex->number == -1)
		return;
	
	GPU_ASSERT_NO_GL_ERRORS("Pre Texture Unbind");

	GLenum arbnumber = (GLenum)((GLuint)GL_TEXTURE0 + tex->number);
	if (tex->number != 0) glActiveTexture(arbnumber);
	glBindTexture(tex->target, 0);
	glDisable(tex->target);
	glBindTexture(tex->target_base, 0);
	glDisable(tex->target_base);
	if (tex->number != 0) glActiveTexture(GL_TEXTURE0);

	tex->number = -1;

	GPU_ASSERT_NO_GL_ERRORS("Post Texture Unbind");
}