"fb tex slice <texture target> <texture index> <level> <layer>" can be
used to bind an arbitrary layer of the specified texture as color
attachment of the current framebuffer object.
---
tests/shaders/shader_runner.c | 67 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/tests/shaders/shader_runner.c b/tests/shaders/shader_runner.c
index 7151fd2..7123c1a 100644
--- a/tests/shaders/shader_runner.c
+++ b/tests/shaders/shader_runner.c
@@ -2997,6 +2997,73 @@ piglit_display(void)
w = get_texture_binding(tex)->width;
h = get_texture_binding(tex)->height;
+ } else if (parse_str(rest, "tex slice ", &rest)) {
+ GLenum tex_target;
+
+ REQUIRE(parse_tex_target(rest, &tex_target,
&rest) &&
+ parse_int(rest, &tex, &rest) &&
+ parse_int(rest, &l, &rest) &&
+ parse_int(rest, &z, &rest),
+ "Framebuffer binding command not "
+ "understood at: %s\n", rest);
+
+ const GLuint tex_obj =
get_texture_binding(tex)->obj;
+
+ glGenFramebuffers(1, &fbo);
+ glBindFramebuffer(target, fbo);
+
+ if (tex_target == GL_TEXTURE_1D) {
+ REQUIRE(z == 0,
+ "Invalid layer index provided "
+ "in command: %s\n", line);
+ glFramebufferTexture1D(
+ target, GL_COLOR_ATTACHMENT0,
+ tex_target, tex_obj, l);
+
+ } else if (tex_target == GL_TEXTURE_2D ||
+ tex_target == GL_TEXTURE_RECTANGLE ||
+ tex_target ==
GL_TEXTURE_2D_MULTISAMPLE) {
+ REQUIRE(z == 0,
+ "Invalid layer index provided "
+ "in command: %s\n", line);
+ glFramebufferTexture2D(
+ target, GL_COLOR_ATTACHMENT0,
+ tex_target, tex_obj, l);
+
+ } else if (tex_target == GL_TEXTURE_CUBE_MAP) {
+ static const GLenum cubemap_targets[] =
{
+ GL_TEXTURE_CUBE_MAP_POSITIVE_X,
+ GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
+ GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
+ GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
+ GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
+ GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
+ };
+ REQUIRE(z < ARRAY_SIZE(cubemap_targets),
+ "Invalid layer index provided "
+ "in command: %s\n", line);
+ tex_target = cubemap_targets[z];
+
+ glFramebufferTexture2D(
+ target, GL_COLOR_ATTACHMENT0,
+ tex_target, tex_obj, l);
+
+ } else {
+ glFramebufferTextureLayer(
+ target, GL_COLOR_ATTACHMENT0,
+ tex_obj, l, z);
+ }
+
+ if (!piglit_check_gl_error(GL_NO_ERROR)) {
+ fprintf(stderr, "Error binding texture "
+ "attachment for command: %s\n",
+ line);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ w = MAX2(1, get_texture_binding(tex)->width >>
l);
+ h = MAX2(1, get_texture_binding(tex)->height >>
l);
+
} else if (sscanf(rest, "tex layered %d", &tex) == 1) {
glGenFramebuffers(1, &fbo);
glBindFramebuffer(target, fbo);
--
2.9.0
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