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ogl: use texture_2d instead of renderbuffer for realxfb + efb2ram fbo 

It should do the same on gpu, but textures are more flexible.
eg we could copy and sample them directly without blitting.
This commit is contained in:
degasus 2013-08-20 15:11:03 +02:00
parent 9dfb127923
commit 64bd6a44d4
5 changed files with 25 additions and 26 deletions
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20
Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp
View File

@ -412,7 +412,7 @@ void FramebufferManager::ReinterpretPixelData(unsigned int convtype)
XFBSource::~XFBSource()
{
glDeleteRenderbuffers(1, &renderbuf);
glDeleteTextures(1, &texture);
}
@ -420,7 +420,7 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
const MathUtil::Rectangle<float> &drawrc, int width, int height) const
{
// Texture map xfbSource->texture onto the main buffer
glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, renderbuf);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
glBlitFramebuffer(sourcerc.left, sourcerc.bottom, sourcerc.right, sourcerc.top,
drawrc.left, drawrc.bottom, drawrc.right, drawrc.top,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
@ -430,7 +430,7 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
void XFBSource::DecodeToTexture(u32 xfbAddr, u32 fbWidth, u32 fbHeight)
{
TextureConverter::DecodeToTexture(xfbAddr, fbWidth, fbHeight, renderbuf);
TextureConverter::DecodeToTexture(xfbAddr, fbWidth, fbHeight, texture);
}
void XFBSource::CopyEFB(float Gamma)
@ -440,7 +440,7 @@ void XFBSource::CopyEFB(float Gamma)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, FramebufferManager::GetXFBFramebuffer());
// Bind texture.
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, renderbuf);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
GL_REPORT_FBO_ERROR();
glBlitFramebuffer(
@ -456,14 +456,16 @@ void XFBSource::CopyEFB(float Gamma)
XFBSourceBase* FramebufferManager::CreateXFBSource(unsigned int target_width, unsigned int target_height)
{
GLuint renderbuf;
GLuint texture;
glGenRenderbuffers(1, &renderbuf);
glGenTextures(1, &texture);
glBindRenderbuffer(GL_RENDERBUFFER, renderbuf);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA, target_width, target_height);
glActiveTexture(GL_TEXTURE0 + 9);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, target_width, target_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
return new XFBSource(renderbuf);
return new XFBSource(texture);
}
void FramebufferManager::GetTargetSize(unsigned int *width, unsigned int *height, const EFBRectangle& sourceRc)

4
Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.h
View File

@ -46,7 +46,7 @@ namespace OGL {
struct XFBSource : public XFBSourceBase
{
XFBSource(GLuint rbuf) : renderbuf(rbuf) {}
XFBSource(GLuint tex) : texture(tex) {}
~XFBSource();
void CopyEFB(float Gamma);
@ -54,7 +54,7 @@ struct XFBSource : public XFBSourceBase
void Draw(const MathUtil::Rectangle<float> &sourcerc,
const MathUtil::Rectangle<float> &drawrc, int width, int height) const;
const GLuint renderbuf;
const GLuint texture;
};
inline GLenum getFbType()

2
Source/Plugins/Plugin_VideoOGL/Src/GLUtil.h
View File

@ -32,14 +32,12 @@
#define GL_BGRA GL_RGBA
#define glDrawElementsBaseVertex
#define glDrawRangeElementsBaseVertex
#define GLRENDERBUFFERFORMAT 0x8058 /* RGBA8_OES */
#endif
#else
#define TEX2D GL_TEXTURE_RECTANGLE_ARB
#define PREC
#define TEXTYPE "sampler2DRect"
#define TEXFUNC "texture2DRect"
#define GLRENDERBUFFERFORMAT GL_RGBA
#endif

23
Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp
View File

@ -32,7 +32,7 @@ static GLuint s_texConvFrameBuffer = 0;
static GLuint s_srcTexture = 0; // for decoding from RAM
static GLuint s_srcTextureWidth = 0;
static GLuint s_srcTextureHeight = 0;
static GLuint s_dstRenderBuffer = 0; // for encoding to RAM
static GLuint s_dstTexture = 0; // for encoding to RAM
const int renderBufferWidth = 1024;
const int renderBufferHeight = 1024;
@ -159,11 +159,6 @@ void Init()
glEnableVertexAttribArray(SHADER_TEXTURE0_ATTRIB);
glVertexAttribPointer(SHADER_TEXTURE0_ATTRIB, 2, GL_FLOAT, 0, sizeof(GLfloat)*4, (GLfloat*)NULL+2);
glGenRenderbuffers(1, &s_dstRenderBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, s_dstRenderBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GLRENDERBUFFERFORMAT, renderBufferWidth, renderBufferHeight);
s_srcTextureWidth = 0;
s_srcTextureHeight = 0;
@ -172,13 +167,18 @@ void Init()
glBindTexture(getFbType(), s_srcTexture);
glTexParameteri(getFbType(), GL_TEXTURE_MAX_LEVEL, 0);
glGenTextures(1, &s_dstTexture);
glBindTexture(GL_TEXTURE_2D, s_dstTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, renderBufferWidth, renderBufferHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
CreatePrograms();
}
void Shutdown()
{
glDeleteTextures(1, &s_srcTexture);
glDeleteRenderbuffers(1, &s_dstRenderBuffer);
glDeleteTextures(1, &s_dstTexture);
glDeleteFramebuffers(1, &s_texConvFrameBuffer);
glDeleteBuffers(1, &s_encode_VBO );
glDeleteVertexArrays(1, &s_encode_VAO );
@ -192,7 +192,7 @@ void Shutdown()
s_encodingPrograms[i].Destroy();
s_srcTexture = 0;
s_dstRenderBuffer = 0;
s_dstTexture = 0;
s_texConvFrameBuffer = 0;
}
@ -206,8 +206,7 @@ void EncodeToRamUsingShader(GLuint srcTexture, const TargetRectangle& sourceRc,
// attach render buffer as color destination
FramebufferManager::SetFramebuffer(s_texConvFrameBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, s_dstRenderBuffer);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, s_dstRenderBuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, s_dstTexture, 0);
GL_REPORT_ERRORD();
// set source texture
@ -360,7 +359,7 @@ void EncodeToRamYUYV(GLuint srcTexture, const TargetRectangle& sourceRc, u8* des
// Should be scale free.
void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destRenderbuf)
void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destTexture)
{
u8* srcAddr = Memory::GetPointer(xfbAddr);
if (!srcAddr)
@ -376,7 +375,7 @@ void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destRender
// switch to texture converter frame buffer
// attach destTexture as color destination
FramebufferManager::SetFramebuffer(s_texConvFrameBuffer);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, destRenderbuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, destTexture, 0);
GL_REPORT_FBO_ERROR();

2
Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.h
View File

@ -22,7 +22,7 @@ void Shutdown();
void EncodeToRamYUYV(GLuint srcTexture, const TargetRectangle& sourceRc,
u8* destAddr, int dstWidth, int dstHeight);
void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destRenderbuf);
void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destTexture);
// returns size of the encoded data (in bytes)
int EncodeToRamFromTexture(u32 address, GLuint source_texture, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, int bScaleByHalf, const EFBRectangle& source);