void
piglit_init(int argc, char **argv)
{
/* test some new error cases */
GLuint fbo, tex;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE_ARRAY, tex);
glTexImage3DMultisample(GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
4, GL_RGBA, 64, 64, 2, GL_TRUE);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
printf("should be no error so far\n");
piglit_report_result(PIGLIT_FAIL);
}
/* binding a negative layer should fail */
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, tex, 0, -1);
if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
printf("glFramebufferTextureLayer w/ negative layer must "
"emit GL_INVALID_VALUE but did not\n");
piglit_report_result(PIGLIT_FAIL);
}
piglit_report_result(PIGLIT_PASS);
}
bool Texture::upload(const unsigned char *source, const int mipLevel) const
{
glBindTexture(target, glId);
GL_CHECK_ERRORS();
switch (target) {
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
glTexImage3DMultisample(GL_TEXTURE_2D_MULTISAMPLE_ARRAY, multisamples, internalFormat, width, height, layers, GL_TRUE);
break;
case GL_TEXTURE_2D_MULTISAMPLE:
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, multisamples, internalFormat, width, height, GL_TRUE);
break;
case GL_TEXTURE_3D:
glTexImage3D(GL_TEXTURE_3D, mipLevel, internalFormat, width, height, depth, 0, format, precision, source);
break;
case GL_TEXTURE_2D:
glTexImage2D(GL_TEXTURE_2D, mipLevel, internalFormat, width, height, 0, format, precision, source);
break;
case GL_TEXTURE_1D:
glTexImage1D(GL_TEXTURE_1D, mipLevel, internalFormat, width, 0, format, precision, source);
break;
case GL_TEXTURE_2D_ARRAY:
glTexImage3D(GL_TEXTURE_2D_ARRAY, mipLevel, internalFormat, width, height, layers, 0, format, precision, source);
break;
case GL_TEXTURE_1D_ARRAY:
glTexImage2D(GL_TEXTURE_1D_ARRAY, mipLevel, internalFormat, width, height, 0, format, precision, source);
break;
default:
cout << "Invalid texture format: 0x" << hex << target << dec << endl;
return false;
}
GL_CHECK_ERRORS();
return true;
}
void QOpenGLTextureHelper::qt_TextureImage3DMultisample(GLuint texture, GLenum target, GLenum bindingTarget, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations)
{
GLint oldTexture;
glGetIntegerv(bindingTarget, &oldTexture);
glBindTexture(target, texture);
glTexImage3DMultisample(target, samples, internalFormat, width, height, depth, fixedSampleLocations);
glBindTexture(target, oldTexture);
}
GLuint
create_bind_texture(GLenum textureType) {
int i;
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(textureType, texture);
switch(textureType) {
case GL_TEXTURE_1D:
glTexParameteri(textureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(textureType, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage1D(textureType, 0, GL_RGBA, 6, 0, GL_RGBA,
GL_UNSIGNED_INT, NULL);
break;
case GL_TEXTURE_RECTANGLE:
glTexImage2D(textureType, 0, GL_RGBA, 6, 6,
0, GL_RGBA, GL_UNSIGNED_INT, NULL);
break;
case GL_TEXTURE_2D:
case GL_TEXTURE_1D_ARRAY:
glTexParameteri(textureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(textureType, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(textureType, 0, GL_RGBA, 6, 6,
0, GL_RGBA, GL_UNSIGNED_INT, NULL);
break;
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
glTexParameteri(textureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(textureType, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(textureType, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(textureType, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexImage3D(textureType, 0, GL_RGBA, 6, 6, 6,
0, GL_RGBA, GL_UNSIGNED_INT, NULL);
break;
case GL_TEXTURE_CUBE_MAP:
for(i = 0; i < 6; i++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0,
GL_RGBA, 6, 6, 0,
GL_RGBA, GL_UNSIGNED_INT,
NULL);
}
break;
case GL_TEXTURE_2D_MULTISAMPLE:
glTexImage2DMultisample(textureType, 1, GL_RGBA, 6, 6, GL_FALSE);
break;
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
glTexImage3DMultisample(textureType, 1, GL_RGBA,
6, 6, 6, GL_FALSE);
break;
}
return texture;
}
FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int msaaSamples)
{
m_xfbFramebuffer = 0;
m_efbColor = 0;
m_efbDepth = 0;
m_efbColorSwap = 0;
m_resolvedColorTexture = 0;
m_resolvedDepthTexture = 0;
m_targetWidth = targetWidth;
m_targetHeight = targetHeight;
m_msaaSamples = msaaSamples;
// The EFB can be set to different pixel formats by the game through the
// BPMEM_ZCOMPARE register (which should probably have a different name).
// They are:
// - 24-bit RGB (8-bit components) with 24-bit Z
// - 24-bit RGBA (6-bit components) with 24-bit Z
// - Multisampled 16-bit RGB (5-6-5 format) with 16-bit Z
// We only use one EFB format here: 32-bit ARGB with 24-bit Z.
// Multisampling depends on user settings.
// The distinction becomes important for certain operations, i.e. the
// alpha channel should be ignored if the EFB does not have one.
glActiveTexture(GL_TEXTURE9);
GLuint glObj[3];
glGenTextures(3, glObj);
m_efbColor = glObj[0];
m_efbDepth = glObj[1];
m_efbColorSwap = glObj[2];
m_EFBLayers = (g_ActiveConfig.iStereoMode > 0) ? 2 : 1;
m_efbFramebuffer.resize(m_EFBLayers);
m_resolvedFramebuffer.resize(m_EFBLayers);
// OpenGL MSAA textures are a different kind of texture type and must be allocated
// with a different function, so we create them separately.
if (m_msaaSamples <= 1)
{
m_textureType = GL_TEXTURE_2D_ARRAY;
glBindTexture(m_textureType, m_efbColor);
glTexParameteri(m_textureType, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage3D(m_textureType, 0, GL_RGBA, m_targetWidth, m_targetHeight, m_EFBLayers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
glBindTexture(m_textureType, m_efbDepth);
glTexParameteri(m_textureType, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage3D(m_textureType, 0, GL_DEPTH_COMPONENT32F, m_targetWidth, m_targetHeight,
m_EFBLayers, 0, GL_DEPTH_COMPONENT, GL_FLOAT, nullptr);
glBindTexture(m_textureType, m_efbColorSwap);
glTexParameteri(m_textureType, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage3D(m_textureType, 0, GL_RGBA, m_targetWidth, m_targetHeight, m_EFBLayers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
}
else
{
GLenum resolvedType = GL_TEXTURE_2D_ARRAY;
// Only use a layered multisample texture if needed. Some drivers
// slow down significantly with single-layered multisample textures.
if (m_EFBLayers > 1)
{
m_textureType = GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
if (g_ogl_config.bSupports3DTextureStorage)
{
glBindTexture(m_textureType, m_efbColor);
glTexStorage3DMultisample(m_textureType, m_msaaSamples, GL_RGBA8, m_targetWidth,
m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, m_efbDepth);
glTexStorage3DMultisample(m_textureType, m_msaaSamples, GL_DEPTH_COMPONENT32F,
m_targetWidth, m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, m_efbColorSwap);
glTexStorage3DMultisample(m_textureType, m_msaaSamples, GL_RGBA8, m_targetWidth,
m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, 0);
}
else
{
glBindTexture(m_textureType, m_efbColor);
glTexImage3DMultisample(m_textureType, m_msaaSamples, GL_RGBA, m_targetWidth,
m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, m_efbDepth);
glTexImage3DMultisample(m_textureType, m_msaaSamples, GL_DEPTH_COMPONENT32F, m_targetWidth,
m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, m_efbColorSwap);
glTexImage3DMultisample(m_textureType, m_msaaSamples, GL_RGBA, m_targetWidth,
m_targetHeight, m_EFBLayers, false);
glBindTexture(m_textureType, 0);
}
}
else
{
m_textureType = GL_TEXTURE_2D_MULTISAMPLE;
if (g_ogl_config.bSupports2DTextureStorage)
{
glBindTexture(m_textureType, m_efbColor);
glTexStorage2DMultisample(m_textureType, m_msaaSamples, GL_RGBA8, m_targetWidth,
m_targetHeight, false);
glBindTexture(m_textureType, m_efbDepth);
glTexStorage2DMultisample(m_textureType, m_msaaSamples, GL_DEPTH_COMPONENT32F,
m_targetWidth, m_targetHeight, false);
glBindTexture(m_textureType, m_efbColorSwap);
glTexStorage2DMultisample(m_textureType, m_msaaSamples, GL_RGBA8, m_targetWidth,
m_targetHeight, false);
glBindTexture(m_textureType, 0);
}
else
{
glBindTexture(m_textureType, m_efbColor);
glTexImage2DMultisample(m_textureType, m_msaaSamples, GL_RGBA, m_targetWidth,
m_targetHeight, false);
glBindTexture(m_textureType, m_efbDepth);
glTexImage2DMultisample(m_textureType, m_msaaSamples, GL_DEPTH_COMPONENT32F, m_targetWidth,
m_targetHeight, false);
glBindTexture(m_textureType, m_efbColorSwap);
glTexImage2DMultisample(m_textureType, m_msaaSamples, GL_RGBA, m_targetWidth,
m_targetHeight, false);
glBindTexture(m_textureType, 0);
}
}
// Although we are able to access the multisampled texture directly, we don't do it everywhere.
// The old way is to "resolve" this multisampled texture by copying it into a non-sampled
// texture.
// This would lead to an unneeded copy of the EFB, so we are going to avoid it.
// But as this job isn't done right now, we do need that texture for resolving:
glGenTextures(2, glObj);
m_resolvedColorTexture = glObj[0];
m_resolvedDepthTexture = glObj[1];
glBindTexture(resolvedType, m_resolvedColorTexture);
glTexParameteri(resolvedType, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage3D(resolvedType, 0, GL_RGBA, m_targetWidth, m_targetHeight, m_EFBLayers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
glBindTexture(resolvedType, m_resolvedDepthTexture);
glTexParameteri(resolvedType, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage3D(resolvedType, 0, GL_DEPTH_COMPONENT32F, m_targetWidth, m_targetHeight, m_EFBLayers,
0, GL_DEPTH_COMPONENT, GL_FLOAT, nullptr);
// Bind resolved textures to resolved framebuffer.
glGenFramebuffers(m_EFBLayers, m_resolvedFramebuffer.data());
glBindFramebuffer(GL_FRAMEBUFFER, m_resolvedFramebuffer[0]);
FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, resolvedType, m_resolvedColorTexture,
0);
FramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, resolvedType, m_resolvedDepthTexture,
0);
// Bind all the other layers as separate FBOs for blitting.
for (unsigned int i = 1; i < m_EFBLayers; i++)
{
glBindFramebuffer(GL_FRAMEBUFFER, m_resolvedFramebuffer[i]);
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_resolvedColorTexture, 0, i);
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_resolvedDepthTexture, 0, i);
}
}
// Create XFB framebuffer; targets will be created elsewhere.
glGenFramebuffers(1, &m_xfbFramebuffer);
// Bind target textures to EFB framebuffer.
glGenFramebuffers(m_EFBLayers, m_efbFramebuffer.data());
glBindFramebuffer(GL_FRAMEBUFFER, m_efbFramebuffer[0]);
FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_textureType, m_efbColor, 0);
FramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_textureType, m_efbDepth, 0);
// Bind all the other layers as separate FBOs for blitting.
for (unsigned int i = 1; i < m_EFBLayers; i++)
{
glBindFramebuffer(GL_FRAMEBUFFER, m_efbFramebuffer[i]);
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_efbColor, 0, i);
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, m_efbDepth, 0, i);
}
// EFB framebuffer is currently bound, make sure to clear its alpha value to 1.f
glViewport(0, 0, m_targetWidth, m_targetHeight);
glScissor(0, 0, m_targetWidth, m_targetHeight);
glClearColor(0.f, 0.f, 0.f, 1.f);
glClearDepthf(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// reinterpret pixel format
const char* vs = m_EFBLayers > 1 ? "void main(void) {\n"
" vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);\n"
" gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);\n"
"}\n" :
"flat out int layer;\n"
"void main(void) {\n"
" layer = 0;\n"
" vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);\n"
" gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);\n"
"}\n";
// The way to sample the EFB is based on the on the current configuration.
// As we use the same sampling way for both interpreting shaders, the sampling
// shader are generated first:
std::string sampler;
if (m_msaaSamples <= 1)
{
// non-msaa, so just fetch the pixel
sampler = "SAMPLER_BINDING(9) uniform sampler2DArray samp9;\n"
"vec4 sampleEFB(ivec3 pos) {\n"
" return texelFetch(samp9, pos, 0);\n"
"}\n";
}
else if (g_ActiveConfig.backend_info.bSupportsSSAA)
{
// msaa + sample shading available, so just fetch the sample
// This will lead to sample shading, but it's the only way to not loose
// the values of each sample.
if (m_EFBLayers > 1)
{
sampler = "SAMPLER_BINDING(9) uniform sampler2DMSArray samp9;\n"
"vec4 sampleEFB(ivec3 pos) {\n"
" return texelFetch(samp9, pos, gl_SampleID);\n"
"}\n";
}
else
{
sampler = "SAMPLER_BINDING(9) uniform sampler2DMS samp9;\n"
"vec4 sampleEFB(ivec3 pos) {\n"
" return texelFetch(samp9, pos.xy, gl_SampleID);\n"
"}\n";
}
}
else
{
// msaa without sample shading: calculate the mean value of the pixel
std::stringstream samples;
samples << m_msaaSamples;
if (m_EFBLayers > 1)
{
sampler = "SAMPLER_BINDING(9) uniform sampler2DMSArray samp9;\n"
"vec4 sampleEFB(ivec3 pos) {\n"
" vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n"
" for(int i=0; i<" +
samples.str() + "; i++)\n"
" color += texelFetch(samp9, pos, i);\n"
" return color / " +
samples.str() + ";\n"
"}\n";
}
else
{
sampler = "SAMPLER_BINDING(9) uniform sampler2DMS samp9;\n"
"vec4 sampleEFB(ivec3 pos) {\n"
" vec4 color = vec4(0.0, 0.0, 0.0, 0.0);\n"
" for(int i=0; i<" +
samples.str() + "; i++)\n"
" color += texelFetch(samp9, pos.xy, i);\n"
" return color / " +
samples.str() + ";\n"
"}\n";
}
}
std::string ps_rgba6_to_rgb8 =
sampler + "flat in int layer;\n"
"out vec4 ocol0;\n"
"void main()\n"
"{\n"
" ivec4 src6 = ivec4(round(sampleEFB(ivec3(gl_FragCoord.xy, layer)) * 63.f));\n"
" ivec4 dst8;\n"
" dst8.r = (src6.r << 2) | (src6.g >> 4);\n"
" dst8.g = ((src6.g & 0xF) << 4) | (src6.b >> 2);\n"
" dst8.b = ((src6.b & 0x3) << 6) | src6.a;\n"
" dst8.a = 255;\n"
" ocol0 = float4(dst8) / 255.f;\n"
"}";
std::string ps_rgb8_to_rgba6 =
sampler + "flat in int layer;\n"
"out vec4 ocol0;\n"
"void main()\n"
"{\n"
" ivec4 src8 = ivec4(round(sampleEFB(ivec3(gl_FragCoord.xy, layer)) * 255.f));\n"
" ivec4 dst6;\n"
" dst6.r = src8.r >> 2;\n"
" dst6.g = ((src8.r & 0x3) << 4) | (src8.g >> 4);\n"
" dst6.b = ((src8.g & 0xF) << 2) | (src8.b >> 6);\n"
" dst6.a = src8.b & 0x3F;\n"
" ocol0 = float4(dst6) / 63.f;\n"
"}";
std::stringstream vertices, layers;
vertices << m_EFBLayers * 3;
layers << m_EFBLayers;
std::string gs = "layout(triangles) in;\n"
"layout(triangle_strip, max_vertices = " +
vertices.str() + ") out;\n"
"flat out int layer;\n"
"void main()\n"
"{\n"
" for (int j = 0; j < " +
layers.str() + "; ++j) {\n"
" for (int i = 0; i < 3; ++i) {\n"
" layer = j;\n"
" gl_Layer = j;\n"
" gl_Position = gl_in[i].gl_Position;\n"
" EmitVertex();\n"
" }\n"
" EndPrimitive();\n"
" }\n"
"}\n";
ProgramShaderCache::CompileShader(m_pixel_format_shaders[0], vs, ps_rgb8_to_rgba6.c_str(),
(m_EFBLayers > 1) ? gs : "");
ProgramShaderCache::CompileShader(m_pixel_format_shaders[1], vs, ps_rgba6_to_rgb8.c_str(),
(m_EFBLayers > 1) ? gs : "");
ProgramShaderCache::CompileShader(
m_EfbPokes,
StringFromFormat("in vec2 rawpos;\n"
"in vec4 color0;\n" // color
"in int color1;\n" // depth
"out vec4 v_c;\n"
"out float v_z;\n"
"void main(void) {\n"
" gl_Position = vec4(((rawpos + 0.5) / vec2(640.0, 528.0) * 2.0 - 1.0) * "
"vec2(1.0, -1.0), 0.0, 1.0);\n"
" gl_PointSize = %d.0 / 640.0;\n"
" v_c = color0.bgra;\n"
" v_z = float(color1 & 0xFFFFFF) / 16777216.0;\n"
"}\n",
m_targetWidth),
StringFromFormat("in vec4 %s_c;\n"
"in float %s_z;\n"
"out vec4 ocol0;\n"
"void main(void) {\n"
" ocol0 = %s_c;\n"
" gl_FragDepth = %s_z;\n"
"}\n",
m_EFBLayers > 1 ? "g" : "v", m_EFBLayers > 1 ? "g" : "v",
m_EFBLayers > 1 ? "g" : "v", m_EFBLayers > 1 ? "g" : "v"),
m_EFBLayers > 1 ? StringFromFormat("layout(points) in;\n"
"layout(points, max_vertices = %d) out;\n"
"in vec4 v_c[1];\n"
"in float v_z[1];\n"
"out vec4 g_c;\n"
"out float g_z;\n"
"void main()\n"
"{\n"
" for (int j = 0; j < %d; ++j) {\n"
" gl_Layer = j;\n"
" gl_Position = gl_in[0].gl_Position;\n"
" gl_PointSize = %d.0 / 640.0;\n"
" g_c = v_c[0];\n"
" g_z = v_z[0];\n"
" EmitVertex();\n"
" EndPrimitive();\n"
" }\n"
"}\n",
m_EFBLayers, m_EFBLayers, m_targetWidth) :
"");
glGenBuffers(1, &m_EfbPokes_VBO);
glGenVertexArrays(1, &m_EfbPokes_VAO);
glBindBuffer(GL_ARRAY_BUFFER, m_EfbPokes_VBO);
glBindVertexArray(m_EfbPokes_VAO);
glEnableVertexAttribArray(SHADER_POSITION_ATTRIB);
glVertexAttribPointer(SHADER_POSITION_ATTRIB, 2, GL_UNSIGNED_SHORT, 0, sizeof(EfbPokeData),
(void*)offsetof(EfbPokeData, x));
glEnableVertexAttribArray(SHADER_COLOR0_ATTRIB);
glVertexAttribPointer(SHADER_COLOR0_ATTRIB, 4, GL_UNSIGNED_BYTE, 1, sizeof(EfbPokeData),
(void*)offsetof(EfbPokeData, data));
glEnableVertexAttribArray(SHADER_COLOR1_ATTRIB);
glVertexAttribIPointer(SHADER_COLOR1_ATTRIB, 1, GL_INT, sizeof(EfbPokeData),
(void*)offsetof(EfbPokeData, data));
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL)
glEnable(GL_PROGRAM_POINT_SIZE);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL32_nglTexImage3DMultisample(JNIEnv *env, jclass clazz, jint target, jint samples, jint internalformat, jint width, jint height, jint depth, jboolean fixedsamplelocations, jlong function_pointer) {
glTexImage3DMultisamplePROC glTexImage3DMultisample = (glTexImage3DMultisamplePROC)((intptr_t)function_pointer);
glTexImage3DMultisample(target, samples, internalformat, width, height, depth, fixedsamplelocations);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_ARBTextureMultisample_glTexImage3DMultisample(JNIEnv *__env, jclass clazz, jint target, jint samples, jint internalformat, jint width, jint height, jint depth, jboolean fixedsamplelocations) {
glTexImage3DMultisamplePROC glTexImage3DMultisample = (glTexImage3DMultisamplePROC)tlsGetFunction(654);
UNUSED_PARAM(clazz)
glTexImage3DMultisample(target, samples, internalformat, width, height, depth, fixedsamplelocations);
}
bool
upload_image_levels(const struct image_info img, unsigned num_levels,
unsigned level, unsigned unit, const uint32_t *pixels)
{
const unsigned m = image_num_components(img.format);
int i, l;
if (get_texture(unit)) {
glDeleteTextures(1, &textures[unit]);
textures[unit] = 0;
}
if (get_buffer(unit)) {
glDeleteBuffers(1, &buffers[unit]);
buffers[unit] = 0;
}
glGenTextures(1, &textures[unit]);
glBindTexture(img.target->target, textures[unit]);
switch (img.target->target) {
case GL_TEXTURE_1D:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage1D(GL_TEXTURE_1D, l, img.format->format,
size.x, 0, img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_2D:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage2D(GL_TEXTURE_2D, l, img.format->format,
size.x, size.y, 0,
img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_3D:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage3D(GL_TEXTURE_3D, l, img.format->format,
size.x, size.y, size.z, 0,
img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_RECTANGLE:
assert(num_levels == 1);
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, img.format->format,
img.size.x, img.size.y, 0, img.format->pixel_format,
image_base_type(img.format), pixels);
break;
case GL_TEXTURE_CUBE_MAP:
for (l = 0; l < num_levels; ++l) {
const unsigned offset = m * image_level_offset(img, l);
const struct image_extent size = image_level_size(img, l);
const unsigned face_sz = m * product(size) / 6;
for (i = 0; i < 6; ++i)
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, l,
img.format->format, size.x, size.y, 0,
img.format->pixel_format,
image_base_type(img.format),
&pixels[offset + face_sz * i]);
}
break;
case GL_TEXTURE_BUFFER: {
/*
* glTexImage*() isn't supposed to work with buffer
* textures. We copy the unpacked pixels to a texture
* with the desired internal format to let the GL pack
* them for us.
*/
const struct image_extent grid = image_optimal_extent(img.size);
GLuint packed_tex;
assert(num_levels == 1);
glGenBuffers(1, &buffers[unit]);
glBindBuffer(GL_PIXEL_PACK_BUFFER, buffers[unit]);
glBufferData(GL_PIXEL_PACK_BUFFER,
img.size.x * image_pixel_size(img.format) / 8,
NULL, GL_STATIC_DRAW);
glGenTextures(1, &packed_tex);
glBindTexture(GL_TEXTURE_2D, packed_tex);
glTexImage2D(GL_TEXTURE_2D, 0, img.format->format,
grid.x, grid.y, 0, img.format->pixel_format,
image_base_type(img.format), pixels);
glGetTexImage(GL_TEXTURE_2D, 0, img.format->pixel_format,
img.format->pixel_type, NULL);
glDeleteTextures(1, &packed_tex);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
glTexBuffer(GL_TEXTURE_BUFFER, image_compat_format(img.format),
buffers[unit]);
break;
}
case GL_TEXTURE_1D_ARRAY:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage2D(GL_TEXTURE_1D_ARRAY, l, img.format->format,
size.x, size.y, 0, img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_2D_ARRAY:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage3D(GL_TEXTURE_2D_ARRAY, l, img.format->format,
size.x, size.y, size.z, 0,
img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
for (l = 0; l < num_levels; ++l) {
const struct image_extent size = image_level_size(img, l);
glTexImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, l, img.format->format,
size.x, size.y, size.z, 0,
img.format->pixel_format,
image_base_type(img.format),
&pixels[m * image_level_offset(img, l)]);
}
break;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: {
/*
* GL doesn't seem to provide any direct way to
* initialize a multisample texture, so we use
* imageStore() to render to it from the fragment
* shader copying the contents of a larger
* single-sample 2D texture.
*/
const struct grid_info grid = {
get_image_stage(GL_FRAGMENT_SHADER)->bit,
img.format,
image_optimal_extent(img.size)
};
GLuint prog = generate_program(
grid, GL_FRAGMENT_SHADER,
concat(image_hunk(image_info_for_grid(grid), "SRC_"),
image_hunk(img, "DST_"),
hunk("readonly SRC_IMAGE_UNIFORM_T src_img;\n"
"writeonly DST_IMAGE_UNIFORM_T dst_img;\n"
"\n"
"GRID_T op(ivec2 idx, GRID_T x) {\n"
" imageStore(dst_img, DST_IMAGE_ADDR(idx),\n"
" imageLoad(src_img, SRC_IMAGE_ADDR(idx)));\n"
" return x;\n"
"}\n"), NULL));
bool ret = prog && generate_fb(grid, 1);
GLuint tmp_tex;
assert(num_levels == 1);
glGenTextures(1, &tmp_tex);
glBindTexture(GL_TEXTURE_2D, tmp_tex);
if (img.target->target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
glTexImage3DMultisample(GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
img.size.x, img.format->format,
img.size.y, img.size.z, img.size.w,
GL_FALSE);
} else {
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
img.size.x, img.format->format,
img.size.y, img.size.z,
GL_FALSE);
}
glTexImage2D(GL_TEXTURE_2D, 0, img.format->format,
grid.size.x, grid.size.y, 0,
img.format->pixel_format, image_base_type(img.format),
pixels);
glBindImageTexture(unit, textures[unit], 0, GL_TRUE, 0,
GL_WRITE_ONLY, img.format->format);
glBindImageTexture(6, tmp_tex, 0, GL_TRUE, 0,
GL_READ_ONLY, img.format->format);
ret &= set_uniform_int(prog, "src_img", 6) &&
set_uniform_int(prog, "dst_img", unit) &&
draw_grid(grid, prog);
glDeleteProgram(prog);
glDeleteTextures(1, &tmp_tex);
glBindFramebuffer(GL_FRAMEBUFFER, fb[0]);
glViewportIndexedfv(0, vp[0]);
glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
if (!ret)
return false;
break;
}
default:
abort();
}
glBindImageTexture(unit, textures[unit], level, GL_TRUE, 0,
GL_READ_WRITE, img.format->format);
return piglit_check_gl_error(GL_NO_ERROR);
}
/**
* Load a miplevel's texel data via glTexImage.
*
* \param level The miplevel to be loaded (0 <= level <= miplevels)
* \param level_image The data to be loaded.
*
* This function assumes that select_sampler() and compute_miplevel_info()
* have already been called.
*/
void
upload_miplevel_data(GLenum target, int level, void *level_image)
{
const GLenum format = sampler.format;
const GLenum internal_format = sampler.internal_format;
const GLenum data_type = sampler.data_type;
GLuint bo;
switch (target) {
case GL_TEXTURE_1D:
glTexImage1D(GL_TEXTURE_1D, level, internal_format,
level_size[level][0],
0, format, data_type, level_image);
break;
case GL_TEXTURE_2D:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
glTexImage2D(target, level, internal_format,
level_size[level][0], level_size[level][1],
0, format, data_type, level_image);
break;
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
glTexImage3D(target, level, internal_format,
level_size[level][0],
level_size[level][1],
level_size[level][2],
0, format, data_type, level_image);
break;
case GL_TEXTURE_1D_ARRAY:
glTexImage2D(GL_TEXTURE_1D_ARRAY, level, internal_format,
level_size[level][0], level_size[level][2],
0, format, data_type, level_image);
break;
case GL_TEXTURE_BUFFER:
glGenBuffers(1, &bo);
glBindBuffer(GL_TEXTURE_BUFFER, bo);
glBufferData(GL_TEXTURE_BUFFER, 16 * level_size[level][0],
level_image, GL_STATIC_DRAW);
glTexBuffer(GL_TEXTURE_BUFFER, internal_format, bo);
break;
case GL_TEXTURE_2D_MULTISAMPLE:
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 4,
internal_format,
level_size[level][0],
level_size[level][1],
GL_TRUE);
break;
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
glTexImage3DMultisample(GL_TEXTURE_2D_MULTISAMPLE_ARRAY, 4,
internal_format,
level_size[level][0],
level_size[level][1],
level_size[level][2],
GL_TRUE);
break;
default:
assert(!"Not implemented yet.");
break;
}
}
/*
* Some GetInternalformati*v pnames returns the same that
* GetTexParameter and GetTexLevelParameter. In order to use those, a
* texture is needed to be bound. This method creates and bind one
* texture based on @target and @internalformat. It returns the
* texture name on @tex_out. If target is GL_TEXTURE_BUFFER, a buffer
* is also needed, and returned on @buffer_out. Caller is responsible
* to free both if the call is successful.
*
* The type and format to be used to create the texture is any one
* valid for the given @internalformat.
*
* For texture targets, we also use this function to check if the /resource/
* (defined in the ARB_internalformat_query2 spec as an object of the
* appropriate type that has been created with <internalformat> and <target>)
* is supported by the implementation. If the texture creation fails, then the
* resource is unsupported.
*
* Returns true if it was possible to create the texture. False
* otherwise (unsupported /resource/).
*
*/
bool
create_texture(const GLenum target,
const GLenum internalformat,
GLuint *tex_out,
GLuint *buffer_out)
{
GLuint tex = 0;
GLuint buffer = 0;
GLenum type = type_for_internalformat(internalformat);
GLenum format = format_for_internalformat(internalformat);
bool result = true;
int height = 16;
int width = 16;
int depth = 16;
unsigned i;
glGenTextures(1, &tex);
glBindTexture(target, tex);
switch(target) {
case GL_TEXTURE_1D:
glTexImage1D(target, 0, internalformat, width, 0,
format, type, NULL);
break;
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_RECTANGLE:
glTexImage2D(target, 0, internalformat, width, height, 0,
format, type, NULL);
break;
case GL_TEXTURE_CUBE_MAP:
for (i = 0; i < 6; i++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0,
internalformat, width, height, 0, format, type,
NULL);
}
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
/* cube map arrays also use TexImage3D buth depth
* needs to be a multiple of six */
depth = 6;
/* fall through */
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_3D:
glTexImage3D(target, 0, internalformat, width, height, depth, 0,
format, type, NULL);
break;
case GL_TEXTURE_2D_MULTISAMPLE:
glTexImage2DMultisample(target, 1, internalformat, width, height,
GL_FALSE);
break;
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
glTexImage3DMultisample(target, 1, internalformat, width, height,
depth, GL_FALSE);
break;
case GL_TEXTURE_BUFFER:
glGenBuffers(1, &buffer);
glBindBuffer(GL_TEXTURE_BUFFER, buffer);
glTexBuffer(GL_TEXTURE_BUFFER, internalformat, buffer);
break;
default:
result = false;
fprintf(stderr, "\tError: %s is not a texture target\n",
piglit_get_gl_enum_name(target));
}
if (!piglit_check_gl_error(GL_NO_ERROR))
result = false;
if (!result) {
glDeleteTextures(1, &tex);
glDeleteBuffers(1, &buffer);
} else {
*tex_out = tex;
*buffer_out = buffer;
}
return result;
}
static enum piglit_result
exec_test(struct test_info *info, int sample_count)
{
GLuint fb, tex, rb;
GLint result;
struct attachment_info *att;
GLint maxColorSamples, maxDepthSamples;
glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &maxColorSamples);
glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES, &maxDepthSamples);
glGenFramebuffers(1, &fb);
glBindFramebuffer(GL_FRAMEBUFFER, fb);
printf("Testing fbo completeness for config '%s'\n", info->name);
for (att=info->attachments; att->target; att++) {
int attachment_sample_count = att->multisample ? sample_count : 0;
printf(" Att target=%s att=%s samples=%d dims=%d,%d,%d fixed=%d\n",
piglit_get_gl_enum_name(att->target),
piglit_get_gl_enum_name(att->attachment),
attachment_sample_count,
SURFACE_WIDTH, SURFACE_HEIGHT,
att->target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY ? SURFACE_DEPTH : 1,
att->fixedsamplelocations);
switch (att->target) {
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
if (att->attachment == GL_DEPTH_ATTACHMENT && sample_count > maxDepthSamples)
return PIGLIT_SKIP;
if ((att->attachment == GL_COLOR_ATTACHMENT0 ||
att->attachment == GL_COLOR_ATTACHMENT1) && sample_count > maxColorSamples)
return PIGLIT_SKIP;
}
switch (att->target) {
case GL_TEXTURE_2D_MULTISAMPLE:
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
attachment_sample_count, choose_format(att),
SURFACE_WIDTH, SURFACE_HEIGHT,
att->fixedsamplelocations);
if (!piglit_check_gl_error(GL_NO_ERROR))
return PIGLIT_FAIL;
glFramebufferTexture2D(GL_FRAMEBUFFER, att->attachment,
att->target, tex, 0);
break;
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE_ARRAY, tex);
glTexImage3DMultisample(GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
attachment_sample_count, choose_format(att),
SURFACE_WIDTH, SURFACE_HEIGHT, SURFACE_DEPTH,
att->fixedsamplelocations);
if (!piglit_check_gl_error(GL_NO_ERROR))
return PIGLIT_FAIL;
glFramebufferTextureLayer(GL_FRAMEBUFFER, att->attachment,
tex, 0, att->layer);
break;
case GL_RENDERBUFFER:
/* RENDERBUFFER has fixedsamplelocations implicitly */
assert(att->fixedsamplelocations);
glGenRenderbuffers(1, &rb);
glBindRenderbuffer(GL_RENDERBUFFER, rb);
if (att->multisample) {
glRenderbufferStorageMultisample(GL_RENDERBUFFER,
attachment_sample_count, choose_format(att),
SURFACE_WIDTH, SURFACE_HEIGHT);
}
else {
/* non-MSAA renderbuffer */
glRenderbufferStorage(GL_RENDERBUFFER, choose_format(att),
SURFACE_WIDTH, SURFACE_HEIGHT);
}
glFramebufferRenderbuffer(GL_FRAMEBUFFER,
att->attachment, att->target, rb);
if (!piglit_check_gl_error(GL_NO_ERROR))
return PIGLIT_FAIL;
break;
default:
assert(!"Unsupported target");
}
}
result = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (result != info->expected) {
printf("glCheckFramebufferStatus: expected %s, got %s\n",
piglit_get_gl_enum_name(info->expected),
piglit_get_gl_enum_name(result));
return PIGLIT_FAIL;
}
if (result == GL_FRAMEBUFFER_COMPLETE && info->attachments->multisample)
return check_sample_positions(sample_count);
return PIGLIT_PASS;
}
