bool
test_fbo_attachment_targets(GLenum texOneType, GLenum texTwoType,
GLenum expectedFbStatus)
{
bool pass = true;
GLuint fbo, texture[2];
glGenTextures(2, texture);
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
/* Setup texture one */
texture[0] = create_bind_texture(texOneType);
attach_texture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
texOneType, texture[0]);
/* Setup texture two */
texture[1] = create_bind_texture(texTwoType);
attach_texture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1,
texTwoType, texture[1]);
if(!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* Check for expected fb status */
pass = CheckFramebufferStatus(expectedFbStatus) && pass;
/* Clean up */
glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(2, texture);
return pass;
}
bool
test_fbo_attachments_layered()
{
bool pass = true;
GLuint fbo, texture[2];
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
/* Attach first texture as a layered texture */
texture[0] = create_bind_texture(GL_TEXTURE_3D);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
texture[0], 0);
/* Attach a single layer of the second texture.(Non layered) */
texture[1] = create_bind_texture(GL_TEXTURE_3D);
glFramebufferTexture3D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1,
GL_TEXTURE_3D, texture[1], 0, 0);
if(!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
pass = CheckFramebufferStatus(GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS)
&& pass;
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(2, texture);
return pass;
}
bool
test_framebuffertexture(GLenum textureType)
{
bool pass = true;
GLuint fbo, texture;
float expected[] = { 0, 1, 0 };
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
texture = create_bind_texture(textureType);
/* Attach the texture to the framebuffer object */
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
texture, 0);
if(!piglit_check_gl_error(GL_NO_ERROR) ||
!check_framebuffer_status(GL_FRAMEBUFFER, GL_FRAMEBUFFER_COMPLETE)) {
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(1, &texture);
printf("Texture Type: %s. Error during setup.\n",
piglit_get_gl_enum_name(textureType));
return false;
}
piglit_draw_rect(-1, -1, 2, 2);
/* If the texture is a multisample texture,
* convert it to a 2D texture */
if(textureType == GL_TEXTURE_2D_MULTISAMPLE ||
textureType == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
ConvertMultiSample2DToTexture2D(fbo);
}
/* Probe for the expected color value */
if(textureType == GL_TEXTURE_1D ||
textureType == GL_TEXTURE_1D_ARRAY) {
if(!piglit_probe_rect_rgb(0, 0, 6, 1, expected)) {
pass = false;
}
} else {
if(!piglit_probe_rect_rgb(0, 0, 6, 6, expected)) {
pass = false;
}
}
/* Clean up */
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(1, &texture);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
return pass;
}
void
piglit_init(int argc, char **argv)
{
int i;
bool pass = true;
GLenum fbStatus;
GLuint fbo, texture;
GLint attachmentLayeredStatus;
for(i = 0; i < ARRAY_SIZE(textureType); i++) {
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
texture = create_bind_texture(textureType[i]);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
texture, 0);
if(!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error creating texture and framebuffer setup\n"
"texture type: %s\n",
piglit_get_gl_enum_name(textureType[i]));
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(1, &texture);
piglit_report_result(PIGLIT_FAIL);
}
fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if(fbStatus != GL_FRAMEBUFFER_COMPLETE) {
printf("Framebuffer Status: %s\n",
piglit_get_gl_enum_name(fbStatus));
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(1, &texture);
piglit_report_result(PIGLIT_FAIL);
}
/* Check if the attachment is layered */
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_LAYERED,
&attachmentLayeredStatus);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
if(attachmentLayeredStatus != GL_TRUE) {
pass = false;
}
glDeleteFramebuffers(1, &fbo);
glDeleteTextures(1, &texture);
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
/* Take a framebuffer object, that has a GL_TEXTURE_2D_MULTISAMPLE
* or a layer of a GL_TEXTURE_2D_MULTISAMPLE_ARRAY attached to
* color attachment 0. Then blit that framebuffer object to
* a new fbo that has a GL_TEXTURE_2D attached. Finally
* attach the new GL_TEXTURE_2D to the original fbo.
*/
void
ConvertMultiSample2DToTexture2D(GLuint fboRead) {
GLuint fboDraw, texture;
glGenFramebuffers(1, &fboDraw);
glGenTextures(1, &texture);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fboRead);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboDraw);
texture = create_bind_texture(GL_TEXTURE_2D);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, texture, 0);
if(!check_framebuffer_status(GL_DRAW_FRAMEBUFFER,
GL_FRAMEBUFFER_COMPLETE) ||
!check_framebuffer_status(GL_READ_FRAMEBUFFER,
GL_FRAMEBUFFER_COMPLETE)) {
piglit_report_result(PIGLIT_FAIL);
}
glBlitFramebuffer(0, 0, 6, 6, 0, 0, 6, 6,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
if(!piglit_check_gl_error(GL_NO_ERROR)) {
glDeleteTextures(1, &texture);
piglit_report_result(PIGLIT_FAIL);
}
glBindFramebuffer(GL_FRAMEBUFFER, fboRead);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, texture, 0);
glDeleteFramebuffers(1, &fboDraw);
if(!piglit_check_gl_error(GL_NO_ERROR)) {
glDeleteTextures(1, &texture);
piglit_report_result(PIGLIT_FAIL);
}
}
void
piglit_init(int argc, char **argv)
{
int j;
bool pass = true;
GLuint fbo, texture, program;
static const float colors[6*3] = {
0, 0, 1,
0, 1, 0,
0, 1, 1,
1, 0, 0,
1, 0, 1,
1, 1, 0
};
program = piglit_build_simple_program_multiple_shaders(
GL_VERTEX_SHADER, vs_source,
GL_GEOMETRY_SHADER, gs_source,
GL_FRAGMENT_SHADER, fs_source,
0);
glUseProgram(program);
/* Retrieve index from vs */
color_uniform = glGetUniformLocation(program, "color");
layer_uniform = glGetUniformLocation(program, "layer");
/* Gen textures */
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
texture = create_bind_texture();
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
texture, 0);
if(!check_framebuffer_status(GL_FRAMEBUFFER,
GL_FRAMEBUFFER_COMPLETE) ||
!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error with setup\n");
piglit_report_result(PIGLIT_FAIL);
}
/* draw quad on each layer with set color*/
glProvokingVertex(GL_LAST_VERTEX_CONVENTION);
for(j = 0; j < 6; j++) {
if (j == 3) {
glProvokingVertex(GL_FIRST_VERTEX_CONVENTION);
}
glUniform1i(layer_uniform, j);
glUniform3fv(color_uniform, 1, &colors[j*3]);
/* rect larger than vp */
piglit_draw_rect(-2, -2, 4, 4);
}
pass = probe_texture_layered_rgb(texture,
0, 0, 0, 6, 6, 6, colors) && pass;
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
/* Clean up */
glDeleteTextures(1, &texture);
glDeleteFramebuffers(1, &fbo);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
bool
testFramebufferBlitLayered(int x, int y, bool srcLayered, bool dstLayered)
{
bool pass = true;
GLuint srcFBO, dstFBO;
GLuint srcTex, dstTex;
GLenum fbStatus;
/* Set up source fbo */
glGenFramebuffers(1, &srcFBO);
glBindFramebuffer(GL_FRAMEBUFFER, srcFBO);
piglit_check_gl_error(GL_NO_ERROR);
if (srcLayered) {
srcTex = create_bind_texture(GL_TEXTURE_3D, true);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
srcTex, 0);
} else {
srcTex = create_bind_texture(GL_TEXTURE_2D, true);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, srcTex, 0);
}
/* Check source framebuffer status */
fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (fbStatus != GL_FRAMEBUFFER_COMPLETE) {
printf("testFramebufferBlitLayered srcFBO Status: %s\n",
piglit_get_gl_enum_name(fbStatus));
return false;
}
/* Set up dstt fbo */
glGenFramebuffers(1, &dstFBO);
glBindFramebuffer(GL_FRAMEBUFFER, dstFBO);
if (dstLayered) {
dstTex = create_bind_texture(GL_TEXTURE_3D, false);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
dstTex, 0);
} else {
dstTex = create_bind_texture(GL_TEXTURE_2D, false);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, dstTex, 0);
}
/* Check destination framebuffer status */
fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (fbStatus != GL_FRAMEBUFFER_COMPLETE) {
printf("testFramebufferBlitLayered dstFBO Status: %s\n",
piglit_get_gl_enum_name(fbStatus));
return false;
}
/* Check for if any errors have occured */
if (!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error setting up framebuffers for test.\n");
return false;
}
/* Blit from source to destination framebuffers */
glBindFramebuffer(GL_READ_FRAMEBUFFER, srcFBO);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dstFBO);
glBlitFramebuffer(0, 0, texWidth, texHeight,
0, 0, texWidth, texHeight,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
/* Display the results */
display_texture(x, y, srcTex, srcLayered ? texDepth : 1);
display_texture(x + texWidth, y, dstTex, dstLayered ? texDepth : 1);
/* Check for pass condition */
if (dstLayered) {
pass = piglit_probe_rect_rgb(x + texWidth, y,
texWidth, texHeight, srcColors[0]) && pass;
pass = piglit_probe_rect_rgb(x + texWidth, y + texHeight,
texWidth, texHeight, dstColors[1]) && pass;
} else {
pass = piglit_probe_rect_rgb(x + texWidth, y, texWidth,
texDepth * texHeight, srcColors[0]) && pass;
}
/* Clean up */
glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
glDeleteFramebuffers(1, &srcFBO);
glDeleteFramebuffers(1, &dstFBO);
glDeleteTextures(1, &srcTex);
glDeleteTextures(1, &dstTex);
/* Check for if any errors have occured */
if (!piglit_check_gl_error(GL_NO_ERROR)) {
printf("Error setting up framebuffers for test.\n");
return false;
}
return pass;
}
