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Cleaned up and simplified some graphics code.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2014-10-26 15:31:32 -03:00
parent d4be84a630
commit 5eb37d30f7
8 changed files with 55 additions and 136 deletions
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src/modules/graphics/opengl/VertexBuffer.h
+4 -35
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@@ -49,18 +49,6 @@ class VertexBuffer : public Volatile
{
public:
// Different guarantees for VertexBuffer data storage.
enum MemoryBacking
{
// The VertexBuffer is will have a valid copy of its data in main memory
// at all times.
BACKING_FULL,
// The VertexBuffer will have a valid copy of its data in main memory
// when it needs to be reloaded and when it's mapped.
BACKING_PARTIAL
};
/**
* Create a new VertexBuffer.
*
@@ -70,7 +58,7 @@ public:
* @param backing Determines what guarantees are placed on the data.
* @return A new VertexBuffer.
*/
static VertexBuffer *Create(size_t size, GLenum target, GLenum usage, MemoryBacking backing = BACKING_PARTIAL);
static VertexBuffer *Create(size_t size, GLenum target, GLenum usage);
/**
* Constructor.
@@ -80,7 +68,7 @@ public:
* @param usage Usage hint, e.g. GL_DYNAMIC_DRAW.
* @param backing Determines what guarantees are placed on the data.
*/
VertexBuffer(size_t size, GLenum target, GLenum usage, MemoryBacking backing = BACKING_PARTIAL);
VertexBuffer(size_t size, GLenum target, GLenum usage);
/**
* Destructor.
@@ -127,11 +115,6 @@ public:
return is_mapped;
}
MemoryBacking getMemoryBacking() const
{
return backing;
}
/**
* Map the VertexBuffer to client memory.
*
@@ -267,13 +250,7 @@ private:
* @return True on success, false otherwise.
*/
bool load(bool restore);
/**
* Optionally save the data in the VBO, then delete it.
*
* @param save True to save the data before deleting.
*/
void unload(bool save);
void unload();
void unmapStatic(size_t offset, size_t size);
void unmapStream();
@@ -293,20 +270,12 @@ private:
// Usage hint. GL_[DYNAMIC, STATIC, STREAM]_DRAW.
GLenum usage;
//
MemoryBacking backing;
// The VBO identifier. Assigned by OpenGL.
GLuint vbo;
// A pointer to mapped memory. Will be inialized on the first
// call to map().
// A pointer to mapped memory.
char *memory_map;
// Set if the buffer was modified while operating on gpu memory
// and needs to be synchronized.
bool is_dirty;
}; // VertexBuffer