Merge the ProgramBinary class into Program.
BUG=angle:731
Change-Id: I2ee97155841dc62f04bb71c1f2035d210fd3883c
Reviewed-on: https://chromium-review.googlesource.com/232694
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/Program.cpp b/src/libANGLE/Program.cpp
index 6453454..0c086b4 100644
--- a/src/libANGLE/Program.cpp
+++ b/src/libANGLE/Program.cpp
@@ -8,14 +8,47 @@
// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
#include "libANGLE/Program.h"
-#include "libANGLE/ProgramBinary.h"
#include "libANGLE/ResourceManager.h"
+#include "libANGLE/Data.h"
+#include "libANGLE/features.h"
#include "libANGLE/renderer/Renderer.h"
+#include "libANGLE/renderer/ProgramImpl.h"
+#include "libANGLE/renderer/d3d/ShaderD3D.h"
+#include "libANGLE/renderer/d3d/VertexDataManager.h"
+
+#include "common/debug.h"
+#include "common/version.h"
+#include "common/utilities.h"
+#include "common/platform.h"
+#include "common/blocklayout.h"
+
+#include <algorithm>
namespace gl
{
const char * const g_fakepath = "C:\\fakepath";
+namespace
+{
+
+unsigned int ParseAndStripArrayIndex(std::string* name)
+{
+ unsigned int subscript = GL_INVALID_INDEX;
+
+ // Strip any trailing array operator and retrieve the subscript
+ size_t open = name->find_last_of('[');
+ size_t close = name->find_last_of(']');
+ if (open != std::string::npos && close == name->length() - 1)
+ {
+ subscript = atoi(name->substr(open + 1).c_str());
+ name->erase(open);
+ }
+
+ return subscript;
+}
+
+}
+
AttributeBindings::AttributeBindings()
{
}
@@ -136,17 +169,41 @@
}
}
-Program::Program(rx::Renderer *renderer, ResourceManager *manager, GLuint handle) : mResourceManager(manager), mHandle(handle)
+VariableLocation::VariableLocation()
+ : name(), element(0), index(0)
{
- mFragmentShader = NULL;
- mVertexShader = NULL;
- mProgramBinary.set(NULL);
- mDeleteStatus = false;
- mLinked = false;
- mRefCount = 0;
- mRenderer = renderer;
+}
+
+VariableLocation::VariableLocation(const std::string &name, unsigned int element, unsigned int index)
+ : name(name), element(element), index(index)
+{
+}
+
+LinkedVarying::LinkedVarying()
+{
+}
+
+LinkedVarying::LinkedVarying(const std::string &name, GLenum type, GLsizei size, const std::string &semanticName,
+ unsigned int semanticIndex, unsigned int semanticIndexCount)
+ : name(name), type(type), size(size), semanticName(semanticName), semanticIndex(semanticIndex), semanticIndexCount(semanticIndexCount)
+{
+}
+
+Program::Program(rx::ProgramImpl *impl, ResourceManager *manager, GLuint handle)
+ : mProgram(impl),
+ mValidated(false),
+ mFragmentShader(NULL),
+ mVertexShader(NULL),
+ mLinked(false),
+ mDeleteStatus(false),
+ mRefCount(0),
+ mResourceManager(manager),
+ mHandle(handle)
+{
+ ASSERT(mProgram);
resetUniformBlockBindings();
+ unlink();
}
Program::~Program()
@@ -162,6 +219,8 @@
{
mFragmentShader->release();
}
+
+ SafeDelete(mProgram);
}
bool Program::attachShader(Shader *shader)
@@ -251,15 +310,59 @@
mInfoLog.reset();
resetUniformBlockBindings();
- mProgramBinary.set(new ProgramBinary(mRenderer->createProgram()));
- LinkResult result = mProgramBinary->link(data, mInfoLog, mAttributeBindings, mFragmentShader, mVertexShader,
- mTransformFeedbackVaryings, mTransformFeedbackBufferMode);
- if (result.error.isError())
+ if (!mFragmentShader || !mFragmentShader->isCompiled())
+ {
+ return Error(GL_NO_ERROR);
+ }
+ ASSERT(mFragmentShader->getType() == GL_FRAGMENT_SHADER);
+
+ if (!mVertexShader || !mVertexShader->isCompiled())
+ {
+ return Error(GL_NO_ERROR);
+ }
+ ASSERT(mVertexShader->getType() == GL_VERTEX_SHADER);
+
+ int registers;
+ std::vector<LinkedVarying> linkedVaryings;
+ rx::LinkResult result = mProgram->link(data, mInfoLog, mFragmentShader, mVertexShader, mTransformFeedbackVaryings, mTransformFeedbackBufferMode,
+ ®isters, &linkedVaryings, &mOutputVariables);
+ if (result.error.isError() || !result.linkSuccess)
{
return result.error;
}
- mLinked = result.linkSuccess;
+ if (!linkAttributes(mInfoLog, mAttributeBindings, mVertexShader))
+ {
+ return Error(GL_NO_ERROR);
+ }
+
+ if (!mProgram->linkUniforms(mInfoLog, *mVertexShader, *mFragmentShader, *data.caps))
+ {
+ return Error(GL_NO_ERROR);
+ }
+
+ if (!linkUniformBlocks(mInfoLog, *mVertexShader, *mFragmentShader, *data.caps))
+ {
+ return Error(GL_NO_ERROR);
+ }
+
+ if (!gatherTransformFeedbackLinkedVaryings(mInfoLog, linkedVaryings, mTransformFeedbackVaryings,
+ mTransformFeedbackBufferMode, &mProgram->getTransformFeedbackLinkedVaryings(), *data.caps))
+ {
+ return Error(GL_NO_ERROR);
+ }
+
+ // TODO: The concept of "executables" is D3D only, and as such this belongs in ProgramD3D. It must be called,
+ // however, last in this function, so it can't simply be moved to ProgramD3D::link without further shuffling.
+ result = mProgram->compileProgramExecutables(mInfoLog, mFragmentShader, mVertexShader, registers);
+ if (result.error.isError() || !result.linkSuccess)
+ {
+ mInfoLog.append("Failed to create D3D shaders.");
+ unlink(false);
+ return result.error;
+ }
+
+ mLinked = true;
return gl::Error(GL_NO_ERROR);
}
@@ -294,7 +397,15 @@
}
}
- mProgramBinary.set(NULL);
+ std::fill(mLinkedAttribute, mLinkedAttribute + ArraySize(mLinkedAttribute), sh::Attribute());
+ std::fill(mSemanticIndex, mSemanticIndex + ArraySize(mSemanticIndex), -1);
+ std::fill(mAttributesByLayout, mAttributesByLayout + ArraySize(mAttributesByLayout), -1);
+ mOutputVariables.clear();
+
+ mProgram->reset();
+
+ mValidated = false;
+
mLinked = false;
}
@@ -303,27 +414,146 @@
return mLinked;
}
-ProgramBinary* Program::getProgramBinary() const
-{
- return mProgramBinary.get();
-}
-
-Error Program::setProgramBinary(GLenum binaryFormat, const void *binary, GLsizei length)
+Error Program::loadBinary(GLenum binaryFormat, const void *binary, GLsizei length)
{
unlink(false);
- mInfoLog.reset();
+#if ANGLE_PROGRAM_BINARY_LOAD != ANGLE_ENABLED
+ return Error(GL_NO_ERROR);
+#else
+ ASSERT(binaryFormat == mProgram->getBinaryFormat());
- mProgramBinary.set(new ProgramBinary(mRenderer->createProgram()));
- LinkResult result = mProgramBinary->load(mInfoLog, binaryFormat, binary, length);
- if (result.error.isError())
+ BinaryInputStream stream(binary, length);
+
+ GLenum format = stream.readInt<GLenum>();
+ if (format != mProgram->getBinaryFormat())
{
- mProgramBinary.set(NULL);
+ mInfoLog.append("Invalid program binary format.");
+ return Error(GL_NO_ERROR);
+ }
+
+ int majorVersion = stream.readInt<int>();
+ int minorVersion = stream.readInt<int>();
+ if (majorVersion != ANGLE_MAJOR_VERSION || minorVersion != ANGLE_MINOR_VERSION)
+ {
+ mInfoLog.append("Invalid program binary version.");
+ return Error(GL_NO_ERROR);
+ }
+
+ unsigned char commitString[ANGLE_COMMIT_HASH_SIZE];
+ stream.readBytes(commitString, ANGLE_COMMIT_HASH_SIZE);
+ if (memcmp(commitString, ANGLE_COMMIT_HASH, sizeof(unsigned char) * ANGLE_COMMIT_HASH_SIZE) != 0)
+ {
+ mInfoLog.append("Invalid program binary version.");
+ return Error(GL_NO_ERROR);
+ }
+
+ // TODO: move to ProgramImpl
+ int compileFlags = stream.readInt<int>();
+ if (compileFlags != ANGLE_COMPILE_OPTIMIZATION_LEVEL)
+ {
+ mInfoLog.append("Mismatched compilation flags.");
+ return Error(GL_NO_ERROR);
+ }
+
+ for (int i = 0; i < MAX_VERTEX_ATTRIBS; ++i)
+ {
+ stream.readInt(&mLinkedAttribute[i].type);
+ stream.readString(&mLinkedAttribute[i].name);
+ stream.readInt(&mProgram->getShaderAttributes()[i].type);
+ stream.readString(&mProgram->getShaderAttributes()[i].name);
+ stream.readInt(&mSemanticIndex[i]);
+ }
+
+ initAttributesByLayout();
+
+ rx::LinkResult result = mProgram->load(mInfoLog, &stream);
+ if (result.error.isError() || !result.linkSuccess)
+ {
return result.error;
}
- mLinked = result.linkSuccess;
+ mLinked = true;
return Error(GL_NO_ERROR);
+#endif // #if ANGLE_PROGRAM_BINARY_LOAD == ANGLE_ENABLED
+}
+
+Error Program::saveBinary(GLenum *binaryFormat, void *binary, GLsizei bufSize, GLsizei *length) const
+{
+ if (binaryFormat)
+ {
+ *binaryFormat = mProgram->getBinaryFormat();
+ }
+
+ BinaryOutputStream stream;
+
+ stream.writeInt(mProgram->getBinaryFormat());
+ stream.writeInt(ANGLE_MAJOR_VERSION);
+ stream.writeInt(ANGLE_MINOR_VERSION);
+ stream.writeBytes(reinterpret_cast<const unsigned char*>(ANGLE_COMMIT_HASH), ANGLE_COMMIT_HASH_SIZE);
+
+ // TODO: move to ProgramImpl
+ stream.writeInt(ANGLE_COMPILE_OPTIMIZATION_LEVEL);
+
+ for (unsigned int i = 0; i < MAX_VERTEX_ATTRIBS; ++i)
+ {
+ stream.writeInt(mLinkedAttribute[i].type);
+ stream.writeString(mLinkedAttribute[i].name);
+ stream.writeInt(mProgram->getShaderAttributes()[i].type);
+ stream.writeString(mProgram->getShaderAttributes()[i].name);
+ stream.writeInt(mSemanticIndex[i]);
+ }
+
+ gl::Error error = mProgram->save(&stream);
+ if (error.isError())
+ {
+ return error;
+ }
+
+ GLsizei streamLength = stream.length();
+ const void *streamData = stream.data();
+
+ if (streamLength > bufSize)
+ {
+ if (length)
+ {
+ *length = 0;
+ }
+
+ // TODO: This should be moved to the validation layer but computing the size of the binary before saving
+ // it causes the save to happen twice. It may be possible to write the binary to a separate buffer, validate
+ // sizes and then copy it.
+ return Error(GL_INVALID_OPERATION);
+ }
+
+ if (binary)
+ {
+ char *ptr = reinterpret_cast<char*>(binary);
+
+ memcpy(ptr, streamData, streamLength);
+ ptr += streamLength;
+
+ ASSERT(ptr - streamLength == binary);
+ }
+
+ if (length)
+ {
+ *length = streamLength;
+ }
+
+ return Error(GL_NO_ERROR);
+}
+
+GLint Program::getBinaryLength() const
+{
+ GLint length;
+ Error error = saveBinary(NULL, NULL, std::numeric_limits<GLint>::max(), &length);
+ if (error.isError())
+ {
+ return 0;
+ }
+
+ return length;
}
void Program::release()
@@ -346,19 +576,6 @@
return mRefCount;
}
-GLint Program::getProgramBinaryLength() const
-{
- ProgramBinary *programBinary = mProgramBinary.get();
- if (programBinary)
- {
- return programBinary->getLength();
- }
- else
- {
- return 0;
- }
-}
-
int Program::getInfoLogLength() const
{
return mInfoLog.getLength();
@@ -399,12 +616,64 @@
}
}
+GLuint Program::getAttributeLocation(const std::string &name)
+{
+ for (int index = 0; index < MAX_VERTEX_ATTRIBS; index++)
+ {
+ if (mLinkedAttribute[index].name == name)
+ {
+ return index;
+ }
+ }
+
+ return -1;
+}
+
+int Program::getSemanticIndex(int attributeIndex)
+{
+ ASSERT(attributeIndex >= 0 && attributeIndex < MAX_VERTEX_ATTRIBS);
+
+ return mSemanticIndex[attributeIndex];
+}
+
void Program::getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ if (mLinked)
{
- programBinary->getActiveAttribute(index, bufsize, length, size, type, name);
+ // Skip over inactive attributes
+ unsigned int activeAttribute = 0;
+ unsigned int attribute;
+ for (attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++)
+ {
+ if (mLinkedAttribute[attribute].name.empty())
+ {
+ continue;
+ }
+
+ if (activeAttribute == index)
+ {
+ break;
+ }
+
+ activeAttribute++;
+ }
+
+ if (bufsize > 0)
+ {
+ const char *string = mLinkedAttribute[attribute].name.c_str();
+
+ strncpy(name, string, bufsize);
+ name[bufsize - 1] = '\0';
+
+ if (length)
+ {
+ *length = strlen(name);
+ }
+ }
+
+ *size = 1; // Always a single 'type' instance
+
+ *type = mLinkedAttribute[attribute].type;
}
else
{
@@ -412,7 +681,7 @@
{
name[0] = '\0';
}
-
+
if (length)
{
*length = 0;
@@ -425,36 +694,102 @@
GLint Program::getActiveAttributeCount()
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ int count = 0;
+
+ if (mLinked)
{
- return programBinary->getActiveAttributeCount();
+ for (int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++)
+ {
+ if (!mLinkedAttribute[attributeIndex].name.empty())
+ {
+ count++;
+ }
+ }
}
- else
- {
- return 0;
- }
+
+ return count;
}
GLint Program::getActiveAttributeMaxLength()
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ int maxLength = 0;
+
+ if (mLinked)
{
- return programBinary->getActiveAttributeMaxLength();
+ for (int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; attributeIndex++)
+ {
+ if (!mLinkedAttribute[attributeIndex].name.empty())
+ {
+ maxLength = std::max((int)(mLinkedAttribute[attributeIndex].name.length() + 1), maxLength);
+ }
+ }
}
- else
+
+ return maxLength;
+}
+
+// Returns one more than the highest sampler index used.
+GLint Program::getUsedSamplerRange(SamplerType type)
+{
+ return mProgram->getUsedSamplerRange(type);
+}
+
+bool Program::usesPointSize() const
+{
+ return mProgram->usesPointSize();
+}
+
+GLint Program::getSamplerMapping(SamplerType type, unsigned int samplerIndex, const Caps &caps)
+{
+ return mProgram->getSamplerMapping(type, samplerIndex, caps);
+}
+
+GLenum Program::getSamplerTextureType(SamplerType type, unsigned int samplerIndex)
+{
+ return mProgram->getSamplerTextureType(type, samplerIndex);
+}
+
+GLint Program::getFragDataLocation(const std::string &name) const
+{
+ std::string baseName(name);
+ unsigned int arrayIndex = ParseAndStripArrayIndex(&baseName);
+ for (auto locationIt = mOutputVariables.begin(); locationIt != mOutputVariables.end(); locationIt++)
{
- return 0;
+ const VariableLocation &outputVariable = locationIt->second;
+ if (outputVariable.name == baseName && (arrayIndex == GL_INVALID_INDEX || arrayIndex == outputVariable.element))
+ {
+ return static_cast<GLint>(locationIt->first);
+ }
}
+ return -1;
}
void Program::getActiveUniform(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ if (mLinked)
{
- return programBinary->getActiveUniform(index, bufsize, length, size, type, name);
+ ASSERT(index < mProgram->getUniforms().size()); // index must be smaller than getActiveUniformCount()
+ LinkedUniform *uniform = mProgram->getUniforms()[index];
+
+ if (bufsize > 0)
+ {
+ std::string string = uniform->name;
+ if (uniform->isArray())
+ {
+ string += "[0]";
+ }
+
+ strncpy(name, string.c_str(), bufsize);
+ name[bufsize - 1] = '\0';
+
+ if (length)
+ {
+ *length = strlen(name);
+ }
+ }
+
+ *size = uniform->elementCount();
+ *type = uniform->type;
}
else
{
@@ -475,10 +810,9 @@
GLint Program::getActiveUniformCount()
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ if (mLinked)
{
- return programBinary->getActiveUniformCount();
+ return mProgram->getUniforms().size();
}
else
{
@@ -488,15 +822,203 @@
GLint Program::getActiveUniformMaxLength()
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ int maxLength = 0;
+
+ if (mLinked)
{
- return programBinary->getActiveUniformMaxLength();
+ unsigned int numUniforms = mProgram->getUniforms().size();
+ for (unsigned int uniformIndex = 0; uniformIndex < numUniforms; uniformIndex++)
+ {
+ if (!mProgram->getUniforms()[uniformIndex]->name.empty())
+ {
+ int length = (int)(mProgram->getUniforms()[uniformIndex]->name.length() + 1);
+ if (mProgram->getUniforms()[uniformIndex]->isArray())
+ {
+ length += 3; // Counting in "[0]".
+ }
+ maxLength = std::max(length, maxLength);
+ }
+ }
}
- else
+
+ return maxLength;
+}
+
+GLint Program::getActiveUniformi(GLuint index, GLenum pname) const
+{
+ const gl::LinkedUniform& uniform = *mProgram->getUniforms()[index];
+ switch (pname)
{
- return 0;
+ case GL_UNIFORM_TYPE: return static_cast<GLint>(uniform.type);
+ case GL_UNIFORM_SIZE: return static_cast<GLint>(uniform.elementCount());
+ case GL_UNIFORM_NAME_LENGTH: return static_cast<GLint>(uniform.name.size() + 1 + (uniform.isArray() ? 3 : 0));
+ case GL_UNIFORM_BLOCK_INDEX: return uniform.blockIndex;
+ case GL_UNIFORM_OFFSET: return uniform.blockInfo.offset;
+ case GL_UNIFORM_ARRAY_STRIDE: return uniform.blockInfo.arrayStride;
+ case GL_UNIFORM_MATRIX_STRIDE: return uniform.blockInfo.matrixStride;
+ case GL_UNIFORM_IS_ROW_MAJOR: return static_cast<GLint>(uniform.blockInfo.isRowMajorMatrix);
+ default:
+ UNREACHABLE();
+ break;
}
+ return 0;
+}
+
+bool Program::isValidUniformLocation(GLint location) const
+{
+ ASSERT(rx::IsIntegerCastSafe<GLint>(mProgram->getUniformIndices().size()));
+ return (location >= 0 && location < static_cast<GLint>(mProgram->getUniformIndices().size()));
+}
+
+LinkedUniform *Program::getUniformByLocation(GLint location) const
+{
+ return mProgram->getUniformByLocation(location);
+}
+
+LinkedUniform *Program::getUniformByName(const std::string &name) const
+{
+ return mProgram->getUniformByName(name);
+}
+
+GLint Program::getUniformLocation(const std::string &name)
+{
+ return mProgram->getUniformLocation(name);
+}
+
+GLuint Program::getUniformIndex(const std::string &name)
+{
+ return mProgram->getUniformIndex(name);
+}
+
+void Program::setUniform1fv(GLint location, GLsizei count, const GLfloat *v)
+{
+ mProgram->setUniform1fv(location, count, v);
+}
+
+void Program::setUniform2fv(GLint location, GLsizei count, const GLfloat *v)
+{
+ mProgram->setUniform2fv(location, count, v);
+}
+
+void Program::setUniform3fv(GLint location, GLsizei count, const GLfloat *v)
+{
+ mProgram->setUniform3fv(location, count, v);
+}
+
+void Program::setUniform4fv(GLint location, GLsizei count, const GLfloat *v)
+{
+ mProgram->setUniform4fv(location, count, v);
+}
+
+void Program::setUniform1iv(GLint location, GLsizei count, const GLint *v)
+{
+ mProgram->setUniform1iv(location, count, v);
+}
+
+void Program::setUniform2iv(GLint location, GLsizei count, const GLint *v)
+{
+ mProgram->setUniform2iv(location, count, v);
+}
+
+void Program::setUniform3iv(GLint location, GLsizei count, const GLint *v)
+{
+ mProgram->setUniform3iv(location, count, v);
+}
+
+void Program::setUniform4iv(GLint location, GLsizei count, const GLint *v)
+{
+ mProgram->setUniform4iv(location, count, v);
+}
+
+void Program::setUniform1uiv(GLint location, GLsizei count, const GLuint *v)
+{
+ mProgram->setUniform1uiv(location, count, v);
+}
+
+void Program::setUniform2uiv(GLint location, GLsizei count, const GLuint *v)
+{
+ mProgram->setUniform2uiv(location, count, v);
+}
+
+void Program::setUniform3uiv(GLint location, GLsizei count, const GLuint *v)
+{
+ mProgram->setUniform3uiv(location, count, v);
+}
+
+void Program::setUniform4uiv(GLint location, GLsizei count, const GLuint *v)
+{
+ mProgram->setUniform4uiv(location, count, v);
+}
+
+void Program::setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix2fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix3fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix4fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix2x3fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix2x4fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix3x2fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix3x4fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix4x2fv(location, count, transpose, v);
+}
+
+void Program::setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+ mProgram->setUniformMatrix4x3fv(location, count, transpose, v);
+}
+
+void Program::getUniformfv(GLint location, GLfloat *v)
+{
+ mProgram->getUniformfv(location, v);
+}
+
+void Program::getUniformiv(GLint location, GLint *v)
+{
+ mProgram->getUniformiv(location, v);
+}
+
+void Program::getUniformuiv(GLint location, GLuint *v)
+{
+ mProgram->getUniformuiv(location, v);
+}
+
+// Applies all the uniforms set for this program object to the renderer
+Error Program::applyUniforms()
+{
+ return mProgram->applyUniforms();
+}
+
+Error Program::applyUniformBuffers(const std::vector<gl::Buffer*> boundBuffers, const Caps &caps)
+{
+ return mProgram->applyUniformBuffers(boundBuffers, caps);
}
void Program::flagForDeletion()
@@ -512,11 +1034,12 @@
void Program::validate(const Caps &caps)
{
mInfoLog.reset();
+ mValidated = false;
- ProgramBinary *programBinary = getProgramBinary();
- if (isLinked() && programBinary)
+ if (mLinked)
{
- programBinary->validate(mInfoLog, caps);
+ applyUniforms();
+ mValidated = mProgram->validateSamplers(&mInfoLog, caps);
}
else
{
@@ -524,43 +1047,114 @@
}
}
+bool Program::validateSamplers(InfoLog *infoLog, const Caps &caps)
+{
+ return mProgram->validateSamplers(infoLog, caps);
+}
+
bool Program::isValidated() const
{
- ProgramBinary *programBinary = mProgramBinary.get();
- if (programBinary)
+ return mValidated;
+}
+
+void Program::updateSamplerMapping()
+{
+ return mProgram->updateSamplerMapping();
+}
+
+GLuint Program::getActiveUniformBlockCount()
+{
+ return mProgram->getUniformBlocks().size();
+}
+
+void Program::getActiveUniformBlockName(GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName) const
+{
+ ASSERT(uniformBlockIndex < mProgram->getUniformBlocks().size()); // index must be smaller than getActiveUniformBlockCount()
+
+ const UniformBlock &uniformBlock = *mProgram->getUniformBlocks()[uniformBlockIndex];
+
+ if (bufSize > 0)
{
- return programBinary->isValidated();
- }
- else
- {
- return false;
+ std::string string = uniformBlock.name;
+
+ if (uniformBlock.isArrayElement())
+ {
+ string += ArrayString(uniformBlock.elementIndex);
+ }
+
+ strncpy(uniformBlockName, string.c_str(), bufSize);
+ uniformBlockName[bufSize - 1] = '\0';
+
+ if (length)
+ {
+ *length = strlen(uniformBlockName);
+ }
}
}
-GLint Program::getActiveUniformBlockCount()
+void Program::getActiveUniformBlockiv(GLuint uniformBlockIndex, GLenum pname, GLint *params) const
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ ASSERT(uniformBlockIndex < mProgram->getUniformBlocks().size()); // index must be smaller than getActiveUniformBlockCount()
+
+ const UniformBlock &uniformBlock = *mProgram->getUniformBlocks()[uniformBlockIndex];
+
+ switch (pname)
{
- return static_cast<GLint>(programBinary->getActiveUniformBlockCount());
- }
- else
- {
- return 0;
+ case GL_UNIFORM_BLOCK_DATA_SIZE:
+ *params = static_cast<GLint>(uniformBlock.dataSize);
+ break;
+ case GL_UNIFORM_BLOCK_NAME_LENGTH:
+ *params = static_cast<GLint>(uniformBlock.name.size() + 1 + (uniformBlock.isArrayElement() ? 3 : 0));
+ break;
+ case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
+ *params = static_cast<GLint>(uniformBlock.memberUniformIndexes.size());
+ break;
+ case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
+ {
+ for (unsigned int blockMemberIndex = 0; blockMemberIndex < uniformBlock.memberUniformIndexes.size(); blockMemberIndex++)
+ {
+ params[blockMemberIndex] = static_cast<GLint>(uniformBlock.memberUniformIndexes[blockMemberIndex]);
+ }
+ }
+ break;
+ case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
+ *params = static_cast<GLint>(uniformBlock.isReferencedByVertexShader());
+ break;
+ case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
+ *params = static_cast<GLint>(uniformBlock.isReferencedByFragmentShader());
+ break;
+ default: UNREACHABLE();
}
}
GLint Program::getActiveUniformBlockMaxLength()
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ int maxLength = 0;
+
+ if (mLinked)
{
- return static_cast<GLint>(programBinary->getActiveUniformBlockMaxLength());
+ unsigned int numUniformBlocks = mProgram->getUniformBlocks().size();
+ for (unsigned int uniformBlockIndex = 0; uniformBlockIndex < numUniformBlocks; uniformBlockIndex++)
+ {
+ const UniformBlock &uniformBlock = *mProgram->getUniformBlocks()[uniformBlockIndex];
+ if (!uniformBlock.name.empty())
+ {
+ const int length = uniformBlock.name.length() + 1;
+
+ // Counting in "[0]".
+ const int arrayLength = (uniformBlock.isArrayElement() ? 3 : 0);
+
+ maxLength = std::max(length + arrayLength, maxLength);
+ }
+ }
}
- else
- {
- return 0;
- }
+
+ return maxLength;
+}
+
+GLuint Program::getUniformBlockIndex(const std::string &name)
+{
+ return mProgram->getUniformBlockIndex(name);
}
void Program::bindUniformBlock(GLuint uniformBlockIndex, GLuint uniformBlockBinding)
@@ -594,10 +1188,10 @@
void Program::getTransformFeedbackVarying(GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name) const
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary && index < programBinary->getTransformFeedbackVaryingCount())
+ if (mLinked)
{
- const LinkedVarying &varying = programBinary->getTransformFeedbackVarying(index);
+ ASSERT(index < mProgram->getTransformFeedbackLinkedVaryings().size());
+ const LinkedVarying &varying = mProgram->getTransformFeedbackLinkedVaryings()[index];
GLsizei lastNameIdx = std::min(bufSize - 1, static_cast<GLsizei>(varying.name.length()));
if (length)
{
@@ -621,10 +1215,9 @@
GLsizei Program::getTransformFeedbackVaryingCount() const
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ if (mLinked)
{
- return static_cast<GLsizei>(programBinary->getTransformFeedbackVaryingCount());
+ return static_cast<GLsizei>(mProgram->getTransformFeedbackLinkedVaryings().size());
}
else
{
@@ -634,13 +1227,12 @@
GLsizei Program::getTransformFeedbackVaryingMaxLength() const
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ if (mLinked)
{
GLsizei maxSize = 0;
- for (size_t i = 0; i < programBinary->getTransformFeedbackVaryingCount(); i++)
+ for (size_t i = 0; i < mProgram->getTransformFeedbackLinkedVaryings().size(); i++)
{
- const LinkedVarying &varying = programBinary->getTransformFeedbackVarying(i);
+ const LinkedVarying &varying = mProgram->getTransformFeedbackLinkedVaryings()[i];
maxSize = std::max(maxSize, static_cast<GLsizei>(varying.name.length() + 1));
}
@@ -654,15 +1246,430 @@
GLenum Program::getTransformFeedbackBufferMode() const
{
- ProgramBinary *programBinary = getProgramBinary();
- if (programBinary)
+ return mTransformFeedbackBufferMode;
+}
+
+struct AttributeSorter
+{
+ AttributeSorter(const int(&semanticIndices)[MAX_VERTEX_ATTRIBS])
+ : originalIndices(semanticIndices)
{
- return programBinary->getTransformFeedbackBufferMode();
}
- else
+
+ bool operator()(int a, int b)
{
- return mTransformFeedbackBufferMode;
+ if (originalIndices[a] == -1) return false;
+ if (originalIndices[b] == -1) return true;
+ return (originalIndices[a] < originalIndices[b]);
}
+
+ const int(&originalIndices)[MAX_VERTEX_ATTRIBS];
+};
+
+void Program::initAttributesByLayout()
+{
+ for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ mAttributesByLayout[i] = i;
+ }
+
+ std::sort(&mAttributesByLayout[0], &mAttributesByLayout[MAX_VERTEX_ATTRIBS], AttributeSorter(mSemanticIndex));
+}
+
+void Program::sortAttributesByLayout(rx::TranslatedAttribute attributes[MAX_VERTEX_ATTRIBS], int sortedSemanticIndices[MAX_VERTEX_ATTRIBS]) const
+{
+ rx::TranslatedAttribute oldTranslatedAttributes[MAX_VERTEX_ATTRIBS];
+
+ for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ oldTranslatedAttributes[i] = attributes[i];
+ }
+
+ for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
+ {
+ int oldIndex = mAttributesByLayout[i];
+ sortedSemanticIndices[i] = mSemanticIndex[oldIndex];
+ attributes[i] = oldTranslatedAttributes[oldIndex];
+ }
+}
+
+bool Program::linkVaryings(InfoLog &infoLog, Shader *fragmentShader, Shader *vertexShader)
+{
+ std::vector<PackedVarying> &fragmentVaryings = fragmentShader->getVaryings();
+ std::vector<PackedVarying> &vertexVaryings = vertexShader->getVaryings();
+
+ for (size_t fragVaryingIndex = 0; fragVaryingIndex < fragmentVaryings.size(); fragVaryingIndex++)
+ {
+ PackedVarying *input = &fragmentVaryings[fragVaryingIndex];
+ bool matched = false;
+
+ // Built-in varyings obey special rules
+ if (input->isBuiltIn())
+ {
+ continue;
+ }
+
+ for (size_t vertVaryingIndex = 0; vertVaryingIndex < vertexVaryings.size(); vertVaryingIndex++)
+ {
+ PackedVarying *output = &vertexVaryings[vertVaryingIndex];
+ if (output->name == input->name)
+ {
+ if (!linkValidateVaryings(infoLog, output->name, *input, *output))
+ {
+ return false;
+ }
+
+ output->registerIndex = input->registerIndex;
+ output->columnIndex = input->columnIndex;
+
+ matched = true;
+ break;
+ }
+ }
+
+ // We permit unmatched, unreferenced varyings
+ if (!matched && input->staticUse)
+ {
+ infoLog.append("Fragment varying %s does not match any vertex varying", input->name.c_str());
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool Program::linkValidateInterfaceBlockFields(InfoLog &infoLog, const std::string &uniformName, const sh::InterfaceBlockField &vertexUniform, const sh::InterfaceBlockField &fragmentUniform)
+{
+ if (!linkValidateVariablesBase(infoLog, uniformName, vertexUniform, fragmentUniform, true))
+ {
+ return false;
+ }
+
+ if (vertexUniform.isRowMajorLayout != fragmentUniform.isRowMajorLayout)
+ {
+ infoLog.append("Matrix packings for %s differ between vertex and fragment shaders", uniformName.c_str());
+ return false;
+ }
+
+ return true;
+}
+
+// Determines the mapping between GL attributes and Direct3D 9 vertex stream usage indices
+bool Program::linkAttributes(InfoLog &infoLog, const AttributeBindings &attributeBindings, const Shader *vertexShader)
+{
+ const rx::ShaderD3D *vertexShaderD3D = rx::ShaderD3D::makeShaderD3D(vertexShader->getImplementation());
+
+ unsigned int usedLocations = 0;
+ const std::vector<sh::Attribute> &shaderAttributes = vertexShader->getActiveAttributes();
+
+ // Link attributes that have a binding location
+ for (unsigned int attributeIndex = 0; attributeIndex < shaderAttributes.size(); attributeIndex++)
+ {
+ const sh::Attribute &attribute = shaderAttributes[attributeIndex];
+
+ ASSERT(attribute.staticUse);
+
+ const int location = attribute.location == -1 ? attributeBindings.getAttributeBinding(attribute.name) : attribute.location;
+
+ mProgram->getShaderAttributes()[attributeIndex] = attribute;
+
+ if (location != -1) // Set by glBindAttribLocation or by location layout qualifier
+ {
+ const int rows = VariableRegisterCount(attribute.type);
+
+ if (rows + location > MAX_VERTEX_ATTRIBS)
+ {
+ infoLog.append("Active attribute (%s) at location %d is too big to fit", attribute.name.c_str(), location);
+
+ return false;
+ }
+
+ for (int row = 0; row < rows; row++)
+ {
+ const int rowLocation = location + row;
+ sh::ShaderVariable &linkedAttribute = mLinkedAttribute[rowLocation];
+
+ // In GLSL 3.00, attribute aliasing produces a link error
+ // In GLSL 1.00, attribute aliasing is allowed
+ if (mProgram->getShaderVersion() >= 300)
+ {
+ if (!linkedAttribute.name.empty())
+ {
+ infoLog.append("Attribute '%s' aliases attribute '%s' at location %d", attribute.name.c_str(), linkedAttribute.name.c_str(), rowLocation);
+ return false;
+ }
+ }
+
+ linkedAttribute = attribute;
+ usedLocations |= 1 << rowLocation;
+ }
+ }
+ }
+
+ // Link attributes that don't have a binding location
+ for (unsigned int attributeIndex = 0; attributeIndex < shaderAttributes.size(); attributeIndex++)
+ {
+ const sh::Attribute &attribute = shaderAttributes[attributeIndex];
+
+ ASSERT(attribute.staticUse);
+
+ const int location = attribute.location == -1 ? attributeBindings.getAttributeBinding(attribute.name) : attribute.location;
+
+ if (location == -1) // Not set by glBindAttribLocation or by location layout qualifier
+ {
+ int rows = VariableRegisterCount(attribute.type);
+ int availableIndex = AllocateFirstFreeBits(&usedLocations, rows, MAX_VERTEX_ATTRIBS);
+
+ if (availableIndex == -1 || availableIndex + rows > MAX_VERTEX_ATTRIBS)
+ {
+ infoLog.append("Too many active attributes (%s)", attribute.name.c_str());
+
+ return false; // Fail to link
+ }
+
+ mLinkedAttribute[availableIndex] = attribute;
+ }
+ }
+
+ for (int attributeIndex = 0; attributeIndex < MAX_VERTEX_ATTRIBS; )
+ {
+ int index = vertexShaderD3D->getSemanticIndex(mLinkedAttribute[attributeIndex].name);
+ int rows = VariableRegisterCount(mLinkedAttribute[attributeIndex].type);
+
+ for (int r = 0; r < rows; r++)
+ {
+ mSemanticIndex[attributeIndex++] = index++;
+ }
+ }
+
+ initAttributesByLayout();
+
+ return true;
+}
+
+bool Program::linkUniformBlocks(InfoLog &infoLog, const Shader &vertexShader, const Shader &fragmentShader, const Caps &caps)
+{
+ const std::vector<sh::InterfaceBlock> &vertexInterfaceBlocks = vertexShader.getInterfaceBlocks();
+ const std::vector<sh::InterfaceBlock> &fragmentInterfaceBlocks = fragmentShader.getInterfaceBlocks();
+ // Check that interface blocks defined in the vertex and fragment shaders are identical
+ typedef std::map<std::string, const sh::InterfaceBlock*> UniformBlockMap;
+ UniformBlockMap linkedUniformBlocks;
+ for (unsigned int blockIndex = 0; blockIndex < vertexInterfaceBlocks.size(); blockIndex++)
+ {
+ const sh::InterfaceBlock &vertexInterfaceBlock = vertexInterfaceBlocks[blockIndex];
+ linkedUniformBlocks[vertexInterfaceBlock.name] = &vertexInterfaceBlock;
+ }
+ for (unsigned int blockIndex = 0; blockIndex < fragmentInterfaceBlocks.size(); blockIndex++)
+ {
+ const sh::InterfaceBlock &fragmentInterfaceBlock = fragmentInterfaceBlocks[blockIndex];
+ UniformBlockMap::const_iterator entry = linkedUniformBlocks.find(fragmentInterfaceBlock.name);
+ if (entry != linkedUniformBlocks.end())
+ {
+ const sh::InterfaceBlock &vertexInterfaceBlock = *entry->second;
+ if (!areMatchingInterfaceBlocks(infoLog, vertexInterfaceBlock, fragmentInterfaceBlock))
+ {
+ return false;
+ }
+ }
+ }
+ for (unsigned int blockIndex = 0; blockIndex < vertexInterfaceBlocks.size(); blockIndex++)
+ {
+ const sh::InterfaceBlock &interfaceBlock = vertexInterfaceBlocks[blockIndex];
+ // Note: shared and std140 layouts are always considered active
+ if (interfaceBlock.staticUse || interfaceBlock.layout != sh::BLOCKLAYOUT_PACKED)
+ {
+ if (!mProgram->defineUniformBlock(infoLog, vertexShader, interfaceBlock, caps))
+ {
+ return false;
+ }
+ }
+ }
+ for (unsigned int blockIndex = 0; blockIndex < fragmentInterfaceBlocks.size(); blockIndex++)
+ {
+ const sh::InterfaceBlock &interfaceBlock = fragmentInterfaceBlocks[blockIndex];
+ // Note: shared and std140 layouts are always considered active
+ if (interfaceBlock.staticUse || interfaceBlock.layout != sh::BLOCKLAYOUT_PACKED)
+ {
+ if (!mProgram->defineUniformBlock(infoLog, fragmentShader, interfaceBlock, caps))
+ {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+bool Program::areMatchingInterfaceBlocks(gl::InfoLog &infoLog, const sh::InterfaceBlock &vertexInterfaceBlock,
+ const sh::InterfaceBlock &fragmentInterfaceBlock)
+{
+ const char* blockName = vertexInterfaceBlock.name.c_str();
+ // validate blocks for the same member types
+ if (vertexInterfaceBlock.fields.size() != fragmentInterfaceBlock.fields.size())
+ {
+ infoLog.append("Types for interface block '%s' differ between vertex and fragment shaders", blockName);
+ return false;
+ }
+ if (vertexInterfaceBlock.arraySize != fragmentInterfaceBlock.arraySize)
+ {
+ infoLog.append("Array sizes differ for interface block '%s' between vertex and fragment shaders", blockName);
+ return false;
+ }
+ if (vertexInterfaceBlock.layout != fragmentInterfaceBlock.layout || vertexInterfaceBlock.isRowMajorLayout != fragmentInterfaceBlock.isRowMajorLayout)
+ {
+ infoLog.append("Layout qualifiers differ for interface block '%s' between vertex and fragment shaders", blockName);
+ return false;
+ }
+ const unsigned int numBlockMembers = vertexInterfaceBlock.fields.size();
+ for (unsigned int blockMemberIndex = 0; blockMemberIndex < numBlockMembers; blockMemberIndex++)
+ {
+ const sh::InterfaceBlockField &vertexMember = vertexInterfaceBlock.fields[blockMemberIndex];
+ const sh::InterfaceBlockField &fragmentMember = fragmentInterfaceBlock.fields[blockMemberIndex];
+ if (vertexMember.name != fragmentMember.name)
+ {
+ infoLog.append("Name mismatch for field %d of interface block '%s': (in vertex: '%s', in fragment: '%s')",
+ blockMemberIndex, blockName, vertexMember.name.c_str(), fragmentMember.name.c_str());
+ return false;
+ }
+ std::string memberName = "interface block '" + vertexInterfaceBlock.name + "' member '" + vertexMember.name + "'";
+ if (!linkValidateInterfaceBlockFields(infoLog, memberName, vertexMember, fragmentMember))
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+bool Program::linkValidateVariablesBase(InfoLog &infoLog, const std::string &variableName, const sh::ShaderVariable &vertexVariable,
+ const sh::ShaderVariable &fragmentVariable, bool validatePrecision)
+{
+ if (vertexVariable.type != fragmentVariable.type)
+ {
+ infoLog.append("Types for %s differ between vertex and fragment shaders", variableName.c_str());
+ return false;
+ }
+ if (vertexVariable.arraySize != fragmentVariable.arraySize)
+ {
+ infoLog.append("Array sizes for %s differ between vertex and fragment shaders", variableName.c_str());
+ return false;
+ }
+ if (validatePrecision && vertexVariable.precision != fragmentVariable.precision)
+ {
+ infoLog.append("Precisions for %s differ between vertex and fragment shaders", variableName.c_str());
+ return false;
+ }
+
+ if (vertexVariable.fields.size() != fragmentVariable.fields.size())
+ {
+ infoLog.append("Structure lengths for %s differ between vertex and fragment shaders", variableName.c_str());
+ return false;
+ }
+ const unsigned int numMembers = vertexVariable.fields.size();
+ for (unsigned int memberIndex = 0; memberIndex < numMembers; memberIndex++)
+ {
+ const sh::ShaderVariable &vertexMember = vertexVariable.fields[memberIndex];
+ const sh::ShaderVariable &fragmentMember = fragmentVariable.fields[memberIndex];
+
+ if (vertexMember.name != fragmentMember.name)
+ {
+ infoLog.append("Name mismatch for field '%d' of %s: (in vertex: '%s', in fragment: '%s')",
+ memberIndex, variableName.c_str(),
+ vertexMember.name.c_str(), fragmentMember.name.c_str());
+ return false;
+ }
+
+ const std::string memberName = variableName.substr(0, variableName.length() - 1) + "." +
+ vertexMember.name + "'";
+
+ if (!linkValidateVariablesBase(infoLog, vertexMember.name, vertexMember, fragmentMember, validatePrecision))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool Program::linkValidateUniforms(InfoLog &infoLog, const std::string &uniformName, const sh::Uniform &vertexUniform, const sh::Uniform &fragmentUniform)
+{
+ if (!linkValidateVariablesBase(infoLog, uniformName, vertexUniform, fragmentUniform, true))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+bool Program::linkValidateVaryings(InfoLog &infoLog, const std::string &varyingName, const sh::Varying &vertexVarying, const sh::Varying &fragmentVarying)
+{
+ if (!linkValidateVariablesBase(infoLog, varyingName, vertexVarying, fragmentVarying, false))
+ {
+ return false;
+ }
+
+ if (vertexVarying.interpolation != fragmentVarying.interpolation)
+ {
+ infoLog.append("Interpolation types for %s differ between vertex and fragment shaders", varyingName.c_str());
+ return false;
+ }
+
+ return true;
+}
+
+bool Program::gatherTransformFeedbackLinkedVaryings(InfoLog &infoLog, const std::vector<LinkedVarying> &linkedVaryings,
+ const std::vector<std::string> &transformFeedbackVaryingNames,
+ GLenum transformFeedbackBufferMode,
+ std::vector<LinkedVarying> *outTransformFeedbackLinkedVaryings,
+ const Caps &caps) const
+{
+ size_t totalComponents = 0;
+
+ // Gather the linked varyings that are used for transform feedback, they should all exist.
+ outTransformFeedbackLinkedVaryings->clear();
+ for (size_t i = 0; i < transformFeedbackVaryingNames.size(); i++)
+ {
+ bool found = false;
+ for (size_t j = 0; j < linkedVaryings.size(); j++)
+ {
+ if (transformFeedbackVaryingNames[i] == linkedVaryings[j].name)
+ {
+ for (size_t k = 0; k < outTransformFeedbackLinkedVaryings->size(); k++)
+ {
+ if (outTransformFeedbackLinkedVaryings->at(k).name == linkedVaryings[j].name)
+ {
+ infoLog.append("Two transform feedback varyings specify the same output variable (%s).", linkedVaryings[j].name.c_str());
+ return false;
+ }
+ }
+
+ size_t componentCount = linkedVaryings[j].semanticIndexCount * 4;
+ if (transformFeedbackBufferMode == GL_SEPARATE_ATTRIBS &&
+ componentCount > caps.maxTransformFeedbackSeparateComponents)
+ {
+ infoLog.append("Transform feedback varying's %s components (%u) exceed the maximum separate components (%u).",
+ linkedVaryings[j].name.c_str(), componentCount, caps.maxTransformFeedbackSeparateComponents);
+ return false;
+ }
+
+ totalComponents += componentCount;
+
+ outTransformFeedbackLinkedVaryings->push_back(linkedVaryings[j]);
+ found = true;
+ break;
+ }
+ }
+
+ // All transform feedback varyings are expected to exist since packVaryings checks for them.
+ ASSERT(found);
+ }
+
+ if (transformFeedbackBufferMode == GL_INTERLEAVED_ATTRIBS && totalComponents > caps.maxTransformFeedbackInterleavedComponents)
+ {
+ infoLog.append("Transform feedback varying total components (%u) exceed the maximum interleaved components (%u).",
+ totalComponents, caps.maxTransformFeedbackInterleavedComponents);
+ return false;
+ }
+
+ return true;
}
}