C++ (Cpp) fd_sampler_states_bind示例

示例#1

文件： fd5_texture.c 项目： FireBurn/mesa

static void
fd5_sampler_states_bind(struct pipe_context *pctx,
		enum pipe_shader_type shader, unsigned start,
		unsigned nr, void **hwcso)
{
	struct fd_context *ctx = fd_context(pctx);
	struct fd5_context *fd5_ctx = fd5_context(ctx);
	uint16_t saturate_s = 0, saturate_t = 0, saturate_r = 0;
	unsigned i;

	if (!hwcso)
		nr = 0;

	for (i = 0; i < nr; i++) {
		if (hwcso[i]) {
			struct fd5_sampler_stateobj *sampler =
					fd5_sampler_stateobj(hwcso[i]);
			if (sampler->saturate_s)
				saturate_s |= (1 << i);
			if (sampler->saturate_t)
				saturate_t |= (1 << i);
			if (sampler->saturate_r)
				saturate_r |= (1 << i);
		}
	}

	fd_sampler_states_bind(pctx, shader, start, nr, hwcso);

	if (shader == PIPE_SHADER_FRAGMENT) {
		fd5_ctx->fsaturate =
			(saturate_s != 0) ||
			(saturate_t != 0) ||
			(saturate_r != 0);
		fd5_ctx->fsaturate_s = saturate_s;
		fd5_ctx->fsaturate_t = saturate_t;
		fd5_ctx->fsaturate_r = saturate_r;
	} else if (shader == PIPE_SHADER_VERTEX) {
		fd5_ctx->vsaturate =
			(saturate_s != 0) ||
			(saturate_t != 0) ||
			(saturate_r != 0);
		fd5_ctx->vsaturate_s = saturate_s;
		fd5_ctx->vsaturate_t = saturate_t;
		fd5_ctx->vsaturate_r = saturate_r;
	}
}

示例#2

文件： fd2_texture.c 项目： freedesktop-unofficial-mirror/openchrome__mesa-openchrome

static void
fd2_sampler_states_bind(struct pipe_context *pctx,
		unsigned shader, unsigned start,
		unsigned nr, void **hwcso)
{
	if (shader == PIPE_SHADER_FRAGMENT) {
		struct fd_context *ctx = fd_context(pctx);

		/* on a2xx, since there is a flat address space for textures/samplers,
		 * a change in # of fragment textures/samplers will trigger patching and
		 * re-emitting the vertex shader:
		 */
		if (nr != ctx->fragtex.num_samplers)
			ctx->dirty |= FD_DIRTY_TEXSTATE;
	}

	fd_sampler_states_bind(pctx, shader, start, nr, hwcso);
}