gl::Error RendererD3D::drawArrays(const gl::Data &data,
GLenum mode, GLint first,
GLsizei count, GLsizei instances)
{
gl::Program *program = data.state->getProgram();
ASSERT(program != NULL);
program->updateSamplerMapping();
gl::Error error = generateSwizzles(data);
if (error.isError())
{
return error;
}
if (!applyPrimitiveType(mode, count, program->usesPointSize()))
{
return gl::Error(GL_NO_ERROR);
}
error = applyRenderTarget(data, mode, false);
if (error.isError())
{
return error;
}
error = applyState(data, mode);
if (error.isError())
{
return error;
}
applyTransformFeedbackBuffers(*data.state);
error = applyVertexBuffer(*data.state, mode, first, count, instances, nullptr);
if (error.isError())
{
return error;
}
error = applyShaders(data);
if (error.isError())
{
return error;
}
error = applyTextures(data);
if (error.isError())
{
return error;
}
error = program->applyUniformBuffers(data);
if (error.isError())
{
return error;
}
if (!skipDraw(data, mode))
{
error = drawArrays(data, mode, count, instances, program->usesPointSize());
if (error.isError())
{
return error;
}
if (data.state->isTransformFeedbackActiveUnpaused())
{
markTransformFeedbackUsage(data);
}
}
return gl::Error(GL_NO_ERROR);
}
gl::Error RendererD3D::drawElements(const gl::Data &data,
GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLsizei instances,
const gl::RangeUI &indexRange)
{
if (data.state->isPrimitiveRestartEnabled())
{
UNIMPLEMENTED();
return gl::Error(GL_INVALID_OPERATION, "Primitive restart not implemented");
}
gl::Program *program = data.state->getProgram();
ASSERT(program != NULL);
program->updateSamplerMapping();
gl::Error error = generateSwizzles(data);
if (error.isError())
{
return error;
}
if (!applyPrimitiveType(mode, count, program->usesPointSize()))
{
return gl::Error(GL_NO_ERROR);
}
error = applyRenderTarget(data, mode, false);
if (error.isError())
{
return error;
}
error = applyState(data, mode);
if (error.isError())
{
return error;
}
gl::VertexArray *vao = data.state->getVertexArray();
TranslatedIndexData indexInfo;
indexInfo.indexRange = indexRange;
SourceIndexData sourceIndexInfo;
error = applyIndexBuffer(indices, vao->getElementArrayBuffer().get(), count, mode, type, &indexInfo, &sourceIndexInfo);
if (error.isError())
{
return error;
}
applyTransformFeedbackBuffers(*data.state);
// Transform feedback is not allowed for DrawElements, this error should have been caught at the API validation
// layer.
ASSERT(!data.state->isTransformFeedbackActiveUnpaused());
GLsizei vertexCount = indexInfo.indexRange.length() + 1;
error = applyVertexBuffer(*data.state, mode, indexInfo.indexRange.start, vertexCount, instances, &sourceIndexInfo);
if (error.isError())
{
return error;
}
error = applyShaders(data);
if (error.isError())
{
return error;
}
error = applyTextures(data);
if (error.isError())
{
return error;
}
error = program->applyUniformBuffers(data);
if (error.isError())
{
return error;
}
if (!skipDraw(data, mode))
{
error = drawElements(mode, count, type, indices, vao->getElementArrayBuffer().get(), indexInfo, instances, program->usesPointSize());
if (error.isError())
{
return error;
}
}
return gl::Error(GL_NO_ERROR);
}
gl::Error RendererD3D::genericDrawElements(const gl::Data &data,
GLenum mode,
GLsizei count,
GLenum type,
const GLvoid *indices,
GLsizei instances,
const gl::IndexRange &indexRange)
{
gl::Program *program = data.state->getProgram();
ASSERT(program != nullptr);
ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program);
bool usesPointSize = programD3D->usesPointSize();
programD3D->updateSamplerMapping();
gl::Error error = generateSwizzles(data);
if (error.isError())
{
return error;
}
if (!applyPrimitiveType(mode, count, usesPointSize))
{
return gl::Error(GL_NO_ERROR);
}
error = updateState(data, mode);
if (error.isError())
{
return error;
}
TranslatedIndexData indexInfo;
indexInfo.indexRange = indexRange;
error = applyIndexBuffer(data, indices, count, mode, type, &indexInfo);
if (error.isError())
{
return error;
}
applyTransformFeedbackBuffers(*data.state);
// Transform feedback is not allowed for DrawElements, this error should have been caught at the API validation
// layer.
ASSERT(!data.state->isTransformFeedbackActiveUnpaused());
size_t vertexCount = indexInfo.indexRange.vertexCount();
error = applyVertexBuffer(*data.state, mode, static_cast<GLsizei>(indexInfo.indexRange.start),
static_cast<GLsizei>(vertexCount), instances, &indexInfo);
if (error.isError())
{
return error;
}
error = applyTextures(data);
if (error.isError())
{
return error;
}
error = applyShaders(data, mode);
if (error.isError())
{
return error;
}
error = programD3D->applyUniformBuffers(data);
if (error.isError())
{
return error;
}
if (!skipDraw(data, mode))
{
error = drawElementsImpl(data, indexInfo, mode, count, type, indices, instances);
if (error.isError())
{
return error;
}
}
return gl::Error(GL_NO_ERROR);
}