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desmume
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OpenGL Renderer: 

- Do small VBO optimization.
This commit is contained in:
rogerman 2013-01-02 06:51:09 +00:00
parent 46cad337e2
commit bd9d8c9612
1 changed files with 8 additions and 3 deletions
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11
desmume/src/OGLRender.cpp
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@ -232,6 +232,7 @@ OGLEXT(PFNGLGENBUFFERSPROC,glGenBuffersARB)
OGLEXT(PFNGLDELETEBUFFERSPROC,glDeleteBuffersARB)
OGLEXT(PFNGLBINDBUFFERPROC,glBindBufferARB)
OGLEXT(PFNGLBUFFERDATAPROC,glBufferDataARB)
OGLEXT(PFNGLBUFFERSUBDATAPROC,glBufferSubDataARB)
OGLEXT(PFNGLMAPBUFFERPROC,glMapBufferARB)
OGLEXT(PFNGLUNMAPBUFFERPROC,glUnmapBufferARB)
// FBO
@ -614,6 +615,7 @@ static char OGLInit(void)
INITOGLEXT(PFNGLDELETEBUFFERSPROC,glDeleteBuffersARB)
INITOGLEXT(PFNGLBINDBUFFERPROC,glBindBufferARB)
INITOGLEXT(PFNGLBUFFERDATAPROC,glBufferDataARB)
INITOGLEXT(PFNGLBUFFERSUBDATAPROC,glBufferSubDataARB)
INITOGLEXT(PFNGLMAPBUFFERPROC,glMapBufferARB)
INITOGLEXT(PFNGLUNMAPBUFFERPROC,glUnmapBufferARB)
// FBO
@ -645,6 +647,9 @@ static char OGLInit(void)
if (isVBOSupported)
{
glGenBuffersARB(1, &vboVertexID);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vboVertexID);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, VERTLIST_SIZE * sizeof(VERT), gfx3d.vertlist, GL_STREAM_DRAW_ARB);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
// PBO Setup
@ -1385,7 +1390,7 @@ static void OGLRender()
if (isVAOSupported)
{
glBindVertexArray(vaoMainStatesID);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist, GL_STREAM_DRAW_ARB);
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist);
}
else
{
@ -1398,7 +1403,7 @@ static void OGLRender()
if (isVBOSupported)
{
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vboVertexID);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist, GL_STREAM_DRAW_ARB);
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist);
glVertexAttribPointer(OGLVertexAttributeID_Position, 4, GL_FLOAT, GL_FALSE, sizeof(VERT), (const GLvoid *)offsetof(VERT, coord));
glVertexAttribPointer(OGLVertexAttributeID_TexCoord0, 2, GL_FLOAT, GL_FALSE, sizeof(VERT), (const GLvoid *)offsetof(VERT, texcoord));
glVertexAttribPointer(OGLVertexAttributeID_Color, 3, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(VERT), (const GLvoid *)offsetof(VERT, color));
@ -1422,7 +1427,7 @@ static void OGLRender()
glColorPointer(4, GL_FLOAT, 0, color4fBuffer);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vboVertexID);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist, GL_STREAM_DRAW_ARB);
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(VERT) * gfx3d.vertlist->count, gfx3d.vertlist);
glVertexPointer(4, GL_FLOAT, sizeof(VERT), (const GLvoid *)offsetof(VERT, coord));
glTexCoordPointer(2, GL_FLOAT, sizeof(VERT), (const GLvoid *)offsetof(VERT, texcoord));
}