Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-22 16:13:28 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Enabling sbo

Browse source
This commit is contained in:
samcake 2016-04-15 20:02:15 -07:00
parent 298300e42f
commit c1ed0e2e14
6 changed files with 20 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
libraries/gl/src/gl/Config.h
View file

@ -51,7 +51,7 @@
#if (GPU_INPUT_PROFILE == GPU_CORE_43)
// Deactivate SSBO for now, we've run into some issues
// on GL 4.3 capable GPUs not behaving as expected
//#define GPU_SSBO_DRAW_CALL_INFO
#define GPU_SSBO_DRAW_CALL_INFO
#endif

27
libraries/gpu/src/gpu/GLBackend.cpp
View file

@ -559,9 +559,6 @@ void GLBackend::resetStages() {
#define ADD_COMMAND_GL(call) _commands.push_back(COMMAND_##call); _commandOffsets.push_back(_params.size());
//#define DO_IT_NOW(call, offset) runLastCommand();
#define DO_IT_NOW(call, offset)
#ifdef GPU_STEREO_CAMERA_BUFFER
#define GET_UNIFORM_LOCATION(shaderUniformLoc) _pipeline._programShader->getUniformLocation(isStereo(), shaderUniformLoc)
#else
@ -576,9 +573,6 @@ void Batch::_glActiveBindTexture(GLenum unit, GLenum target, GLuint texture) {
_params.push_back(texture);
_params.push_back(target);
_params.push_back(unit);
DO_IT_NOW(_glActiveBindTexture, 3);
}
void GLBackend::do_glActiveBindTexture(Batch& batch, size_t paramOffset) {
glActiveTexture(batch._params[paramOffset + 2]._uint);
@ -596,9 +590,8 @@ void Batch::_glUniform1i(GLint location, GLint v0) {
ADD_COMMAND_GL(glUniform1i);
_params.push_back(v0);
_params.push_back(location);
DO_IT_NOW(_glUniform1i, 1);
}
void GLBackend::do_glUniform1i(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
// We should call updatePipeline() to bind the program but we are not doing that
@ -620,8 +613,6 @@ void Batch::_glUniform1f(GLint location, GLfloat v0) {
ADD_COMMAND_GL(glUniform1f);
_params.push_back(v0);
_params.push_back(location);
DO_IT_NOW(_glUniform1f, 1);
}
void GLBackend::do_glUniform1f(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
@ -643,8 +634,6 @@ void Batch::_glUniform2f(GLint location, GLfloat v0, GLfloat v1) {
_params.push_back(v1);
_params.push_back(v0);
_params.push_back(location);
DO_IT_NOW(_glUniform2f, 1);
}
void GLBackend::do_glUniform2f(Batch& batch, size_t paramOffset) {
@ -668,8 +657,6 @@ void Batch::_glUniform3f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2) {
_params.push_back(v1);
_params.push_back(v0);
_params.push_back(location);
DO_IT_NOW(_glUniform3f, 1);
}
void GLBackend::do_glUniform3f(Batch& batch, size_t paramOffset) {
@ -696,8 +683,6 @@ void Batch::_glUniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLf
_params.push_back(v1);
_params.push_back(v0);
_params.push_back(location);
DO_IT_NOW(_glUniform4f, 1);
}
@ -724,8 +709,6 @@ void Batch::_glUniform3fv(GLint location, GLsizei count, const GLfloat* value) {
_params.push_back(cacheData(count * VEC3_SIZE, value));
_params.push_back(count);
_params.push_back(location);
DO_IT_NOW(_glUniform3fv, 3);
}
void GLBackend::do_glUniform3fv(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
@ -750,8 +733,6 @@ void Batch::_glUniform4fv(GLint location, GLsizei count, const GLfloat* value) {
_params.push_back(cacheData(count * VEC4_SIZE, value));
_params.push_back(count);
_params.push_back(location);
DO_IT_NOW(_glUniform4fv, 3);
}
void GLBackend::do_glUniform4fv(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
@ -776,8 +757,6 @@ void Batch::_glUniform4iv(GLint location, GLsizei count, const GLint* value) {
_params.push_back(cacheData(count * VEC4_SIZE, value));
_params.push_back(count);
_params.push_back(location);
DO_IT_NOW(_glUniform4iv, 3);
}
void GLBackend::do_glUniform4iv(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
@ -802,8 +781,6 @@ void Batch::_glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpo
_params.push_back(transpose);
_params.push_back(count);
_params.push_back(location);
DO_IT_NOW(_glUniformMatrix4fv, 4);
}
void GLBackend::do_glUniformMatrix4fv(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
@ -828,8 +805,6 @@ void Batch::_glColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
_params.push_back(blue);
_params.push_back(green);
_params.push_back(red);
DO_IT_NOW(_glColor4f, 4);
}
void GLBackend::do_glColor4f(Batch& batch, size_t paramOffset) {

5
libraries/gpu/src/gpu/GLBackend.h
View file

@ -23,7 +23,7 @@
#include "Context.h"
// PIck one from the 3
// Pick one from the 3: THis version is the most efficient as of now
#define GPU_STEREO_TECHNIQUE_DOUBLED_SIMPLE
//#define GPU_STEREO_TECHNIQUE_DOUBLED_SMARTER
//#define GPU_STEREO_TECHNIQUE_INSTANCED
@ -461,7 +461,8 @@ protected:
mutable std::map<std::string, GLvoid*> _drawCallInfoOffsets;
GLuint _objectBuffer { 0 };
mutable int batchNum{ 0 };
GLuint _objectBuffer[2];
GLuint _cameraBuffer { 0 };
GLuint _drawCallInfoBuffer { 0 };
GLuint _objectBufferTexture { 0 };

2
libraries/gpu/src/gpu/GLBackendShader.cpp
View file

@ -43,7 +43,7 @@ bool compileShader(GLenum shaderDomain, const std::string& shaderSource, const s
// Assign the source
const int NUM_SOURCE_STRINGS = 3;
const GLchar* srcstr[] = { "#version 410 core\n", defines.c_str(), shaderSource.c_str() };
const GLchar* srcstr[] = { "#version 430 core\n", defines.c_str(), shaderSource.c_str() };
glShaderSource(glshader, NUM_SOURCE_STRINGS, srcstr, NULL);
// Compile !

15
libraries/gpu/src/gpu/GLBackendTransform.cpp
View file

@ -67,7 +67,9 @@ void GLBackend::do_setDepthRangeTransform(Batch& batch, size_t paramOffset) {
}
void GLBackend::initTransform() {
glGenBuffers(1, &_transform._objectBuffer);
glGenBuffers(2, _transform._objectBuffer);
// glGenBuffers(1, &_transform._objectBuffer);
glGenBuffers(1, &_transform._cameraBuffer);
glGenBuffers(1, &_transform._drawCallInfoBuffer);
#ifndef GPU_SSBO_DRAW_CALL_INFO
@ -80,7 +82,8 @@ void GLBackend::initTransform() {
}
void GLBackend::killTransform() {
glDeleteBuffers(1, &_transform._objectBuffer);
glDeleteBuffers(2, _transform._objectBuffer);
// glDeleteBuffers(1, &_transform._objectBuffer);
glDeleteBuffers(1, &_transform._cameraBuffer);
glDeleteBuffers(1, &_transform._drawCallInfoBuffer);
#ifndef GPU_SSBO_DRAW_CALL_INFO
@ -160,7 +163,10 @@ void GLBackend::TransformStageState::transfer(const Batch& batch) const {
memcpy(bufferData.data(), batch._objects.data(), byteSize);
#ifdef GPU_SSBO_DRAW_CALL_INFO
glBindBuffer(GL_SHADER_STORAGE_BUFFER, _objectBuffer);
batchNum++;
// glBindBuffer(GL_SHADER_STORAGE_BUFFER, _objectBuffer);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, _objectBuffer[batchNum % 2]);
//glBindBuffer(GL_SHADER_STORAGE_BUFFER, _objectBuffer);
glBufferData(GL_SHADER_STORAGE_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
#else
@ -186,7 +192,8 @@ void GLBackend::TransformStageState::transfer(const Batch& batch) const {
}
#ifdef GPU_SSBO_DRAW_CALL_INFO
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, TRANSFORM_OBJECT_SLOT, _objectBuffer);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, TRANSFORM_OBJECT_SLOT, _objectBuffer[batchNum % 2]);
// glBindBufferBase(GL_SHADER_STORAGE_BUFFER, TRANSFORM_OBJECT_SLOT, _objectBuffer);
#else
glActiveTexture(GL_TEXTURE0 + TRANSFORM_OBJECT_SLOT);
glBindTexture(GL_TEXTURE_BUFFER, _objectBufferTexture);

6
libraries/gpu/src/gpu/Transform.slh
View file

@ -83,7 +83,7 @@ struct TransformObject {
layout(location=15) in ivec2 _drawCallInfo;
<@if FALSE @>
<!<@if FALSE @>!>
// Disable SSBOs for now
layout(std140) buffer transformObjectBuffer {
TransformObject _object[];
@ -91,7 +91,7 @@ layout(std140) buffer transformObjectBuffer {
TransformObject getTransformObject() {
return _object[_drawCallInfo.x];
}
<@else@>
<!<@else@>
uniform samplerBuffer transformObjectBuffer;
TransformObject getTransformObject() {
@ -109,7 +109,7 @@ TransformObject getTransformObject() {
return object;
}
<@endif@>
<@endif@>!>
<@endfunc@>