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XFBSource::Draw in vbo

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Signed-off-by: Ryan Houdek <Sonicadvance1@gmail.com>
This commit is contained in:
degasus 2012-12-08 01:32:58 +01:00 committed by Ryan Houdek
parent d44228f1b7
commit 8ea2ddbc50
1 changed files with 20 additions and 14 deletions
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34
Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp
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@ -28,6 +28,8 @@ namespace OGL
extern bool s_bHaveFramebufferBlit; // comes from Render.cpp. ugly.
static GLuint s_VBO = 0;
int FramebufferManager::m_targetWidth;
int FramebufferManager::m_targetHeight;
int FramebufferManager::m_msaaSamples;
@ -170,6 +172,8 @@ FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int ms
// Create XFB framebuffer; targets will be created elsewhere.
glGenFramebuffersEXT(1, &m_xfbFramebuffer);
glGenBuffers(1, &s_VBO);
// EFB framebuffer is currently bound, make sure to clear its alpha value to 1.f
glViewport(0, 0, m_targetWidth, m_targetHeight);
@ -182,6 +186,7 @@ FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int ms
FramebufferManager::~FramebufferManager()
{
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glDeleteBuffers(1, &s_VBO);
GLuint glObj[3];
@ -306,25 +311,24 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture);
GLfloat vtx1[] = {
GLfloat vertices[] = {
drawrc.left, drawrc.bottom,
drawrc.left, drawrc.top,
drawrc.right, drawrc.top,
drawrc.right, drawrc.bottom,
};
GLfloat tex1[] = { // For TEXTURE0
sourcerc.left, sourcerc.bottom,
sourcerc.left, sourcerc.top,
sourcerc.right, sourcerc.top,
sourcerc.right, sourcerc.bottom
};
GLfloat tex2[] = { // For TEXTURE1
0.0f, 0.0f,
drawrc.left, drawrc.top,
sourcerc.left, sourcerc.top,
0.0f, 1.0f,
drawrc.right, drawrc.top,
sourcerc.right, sourcerc.top,
1.0f, 1.0f,
drawrc.right, drawrc.bottom,
sourcerc.right, sourcerc.bottom,
1.0f, 0.0f
};
glBindBuffer(GL_ARRAY_BUFFER, s_VBO);
glBufferData(GL_ARRAY_BUFFER, 2*4*3*sizeof(GLfloat), vertices, GL_STREAM_DRAW);
// disable all pointer, TODO: use VAO
glEnableClientState(GL_VERTEX_ARRAY);
glDisableVertexAttribArray(SHADER_POSMTX_ATTRIB);
@ -342,13 +346,15 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
glVertexPointer(2, GL_FLOAT, 0, vtx1);
glVertexPointer(2, GL_FLOAT, 6*sizeof(GLfloat), NULL);
glClientActiveTexture(GL_TEXTURE0);
glTexCoordPointer(2, GL_FLOAT, 0, tex1);
glTexCoordPointer(2, GL_FLOAT, 6*sizeof(GLfloat), (GLfloat*)NULL+2);
glClientActiveTexture(GL_TEXTURE1);
glTexCoordPointer(2, GL_FLOAT, 0, tex2);
glTexCoordPointer(2, GL_FLOAT, 6*sizeof(GLfloat), (GLfloat*)NULL+4);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
// TODO: this need to be removed in future
glBindBuffer(GL_ARRAY_BUFFER, 0);
GL_REPORT_ERRORD();
}