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gsdx-ogl: support various texture format creation 

Such as GL_RGBA32F/GL_RGBA16F/GL_RGBA16UI/GL_RGBA16I/GL_RGBA16

Not yet used
This commit is contained in:
Gregory Hainaut 2015-07-23 09:45:47 +02:00
parent ee9edb0b19
commit 46a1525668
1 changed files with 41 additions and 6 deletions
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47
plugins/GSdx/GSTextureOGL.cpp
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@ -210,6 +210,7 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
// Bunch of constant parameter
switch (m_format) {
// 1 Channel integer
case GL_R32UI:
case GL_R32I:
m_int_format = GL_RED_INTEGER;
@ -223,18 +224,52 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
m_int_alignment = 2;
m_int_shift = 1;
break;
case GL_RGBA8:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_BYTE;
m_int_alignment = 4;
m_int_shift = 2;
break;
// 1 Channel normalized
case GL_R8:
m_int_format = GL_RED;
m_int_type = GL_UNSIGNED_BYTE;
m_int_alignment = 1;
m_int_shift = 0;
break;
// 4 channel normalized
case GL_RGBA16:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_SHORT;
m_int_alignment = 8;
m_int_shift = 3;
break;
case GL_RGBA8:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_BYTE;
m_int_alignment = 4;
m_int_shift = 2;
break;
// 4 channel integer
case GL_RGBA16I:
case GL_RGBA16UI:
m_int_format = GL_RGBA_INTEGER;
m_int_type = (m_format == GL_R16UI) ? GL_UNSIGNED_SHORT : GL_SHORT;
m_int_alignment = 8;
m_int_shift = 3;
// 4 channel float
case GL_RGBA32F:
m_int_format = GL_RGBA;
m_int_type = GL_FLOAT;
m_int_alignment = 16;
m_int_shift = 4;
break;
case GL_RGBA16F:
m_int_format = GL_RGBA;
m_int_type = GL_HALF_FLOAT;
m_int_alignment = 8;
m_int_shift = 3;
break;
// Special
case 0:
case GL_DEPTH32F_STENCIL8:
// Backbuffer & dss aren't important