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Shrink the GLRRenderCommand struct from 152 to 88 bytes #17442

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merged 2 commits into from
May 16, 2023
Merged

Shrink the GLRRenderCommand struct from 152 to 88 bytes #17442

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cc16eb8
Shrink the GLRRenderCommand struct from 152 to 88 bytes
hrydgard May 9, 2023
f593d65
Avoid double-free in stereo mode
hrydgard May 10, 2023
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19 changes: 10 additions & 9 deletions Common/GPU/OpenGL/GLQueueRunner.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1038,29 +1038,30 @@ void GLQueueRunner::PerformRenderPass(const GLRStep &step, bool first, bool last
{
_dbg_assert_(curProgram);
if (IsMultiviewSupported()) {
int layout = GetStereoBufferIndex(c.uniformMatrix4.name);
int layout = GetStereoBufferIndex(c.uniformStereoMatrix4.name);
if (layout >= 0) {
int size = 2 * 16 * sizeof(float);
glBindBufferBase(GL_UNIFORM_BUFFER, layout, *c.uniformMatrix4.loc);
glBindBuffer(GL_UNIFORM_BUFFER, *c.uniformMatrix4.loc);
glBindBufferBase(GL_UNIFORM_BUFFER, layout, *c.uniformStereoMatrix4.loc);
glBindBuffer(GL_UNIFORM_BUFFER, *c.uniformStereoMatrix4.loc);
void *matrices = glMapBufferRange(GL_UNIFORM_BUFFER, 0, size, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
memcpy(matrices, c.uniformMatrix4.m, size);
memcpy(matrices, c.uniformStereoMatrix4.mData, size);
glUnmapBuffer(GL_UNIFORM_BUFFER);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
} else {
int loc = c.uniformMatrix4.loc ? *c.uniformMatrix4.loc : -1;
if (c.uniformMatrix4.name) {
loc = curProgram->GetUniformLoc(c.uniformMatrix4.name);
int loc = c.uniformStereoMatrix4.loc ? *c.uniformStereoMatrix4.loc : -1;
if (c.uniformStereoMatrix4.name) {
loc = curProgram->GetUniformLoc(c.uniformStereoMatrix4.name);
}
if (loc >= 0) {
if (GetVRFBOIndex() == 0) {
glUniformMatrix4fv(loc, 1, false, c.uniformMatrix4.m);
glUniformMatrix4fv(loc, 1, false, c.uniformStereoMatrix4.mData);
} else {
glUniformMatrix4fv(loc, 1, false, &c.uniformMatrix4.m[16]);
glUniformMatrix4fv(loc, 1, false, c.uniformStereoMatrix4.mData + 16);
}
}
}
delete [] c.uniformStereoMatrix4.mData;
CHECK_GL_ERROR_IF_DEBUG();
break;
}
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9 changes: 7 additions & 2 deletions Common/GPU/OpenGL/GLQueueRunner.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ struct GLOffset2D {
int x, y;
};

enum class GLRAllocType {
enum class GLRAllocType : uint8_t {
NONE,
NEW,
ALIGNED,
Expand Down Expand Up @@ -130,8 +130,13 @@ struct GLRRenderData {
struct {
const char *name; // if null, use loc
const GLint *loc;
float m[32];
float m[16];
} uniformMatrix4;
struct {
const char *name; // if null, use loc
const GLint *loc;
float *mData; // new'd, 32 entries
} uniformStereoMatrix4;
struct {
uint32_t clearColor;
float clearZ;
Expand Down
5 changes: 5 additions & 0 deletions Common/GPU/OpenGL/GLRenderManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,11 @@ GLRTexture::~GLRTexture() {
}
}

GLRenderManager::GLRenderManager() {
// size_t sz = sizeof(GLRRenderData);
// _dbg_assert_(sz == 88);
}

GLRenderManager::~GLRenderManager() {
_dbg_assert_(!run_);

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12 changes: 6 additions & 6 deletions Common/GPU/OpenGL/GLRenderManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -390,10 +390,9 @@ struct GLRRenderThreadTask {
// directly in the destructor.
class GLRenderManager {
public:
GLRenderManager() {}
GLRenderManager();
~GLRenderManager();


void SetInvalidationCallback(InvalidationCallback callback) {
invalidationCallback_ = callback;
}
Expand Down Expand Up @@ -783,10 +782,11 @@ class GLRenderManager {
_dbg_assert_(curProgram_);
#endif
GLRRenderData data{ GLRRenderCommand::UNIFORMSTEREOMATRIX };
data.uniformMatrix4.name = name;
data.uniformMatrix4.loc = loc;
memcpy(&data.uniformMatrix4.m[0], left, sizeof(float) * 16);
memcpy(&data.uniformMatrix4.m[16], right, sizeof(float) * 16);
data.uniformStereoMatrix4.name = name;
data.uniformStereoMatrix4.loc = loc;
data.uniformStereoMatrix4.mData = new float[32];
memcpy(&data.uniformStereoMatrix4.mData[0], left, sizeof(float) * 16);
memcpy(&data.uniformStereoMatrix4.mData[16], right, sizeof(float) * 16);
curRenderStep_->commands.push_back(data);
}

Expand Down