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gsdx ogl: use immutable texture, it would avoid multiple validation from the driver 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5629 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gregory.hainaut 2013-05-17 16:55:55 +00:00
parent b9bb764749
commit 15b255617a
2 changed files with 18 additions and 29 deletions
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7
plugins/GSdx/GSDeviceOGL.cpp
View File

@ -1359,13 +1359,12 @@ void GSDeviceOGL::CompileShaderFromSource(const std::string& glsl_file, const st
GLint log_length = 0;
glGetProgramiv(*program, GL_INFO_LOG_LENGTH, &log_length);
if (log_length > 0) {
char* log = (char*)malloc(log_length);
glGetProgramInfoLog(*program, log_length, NULL, log);
char* log = new char[log_length];
glGetProgramInfoLog(*program, log_length, NULL, log);
fprintf(stderr, "%s", log);
free(log);
delete[] log;
}
fprintf(stderr, "\n");
}
}

40
plugins/GSdx/GSTextureOGL.cpp
View File

@ -63,7 +63,7 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, bool msaa, int format, GLuint
//FIXME I not sure we need a pixel buffer object. It seems more a texture
// glGenBuffers(1, &m_texture_id);
// m_texture_target = GL_PIXEL_UNPACK_BUFFER;
// assert(0);
// ASSERT(0);
// Note there is also a buffer texture!!!
// http://www.opengl.org/wiki/Buffer_Texture
// Note: in this case it must use in GLSL
@ -78,6 +78,7 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, bool msaa, int format, GLuint
case GSTexture::Backbuffer:
m_texture_target = 0;
m_texture_id = 0;
break;
default:
break;
}
@ -94,45 +95,34 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, bool msaa, int format, GLuint
// Allocate the buffer
switch (m_type) {
case GSTexture::DepthStencil:
EnableUnit(0);
glTexImage2D(m_texture_target, 0, m_format, m_size.x, m_size.y, 0, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NULL);
break;
case GSTexture::Offscreen:
// Allocate a pbo with the texture
if (m_format == GL_RGBA8) m_pbo_size = m_size.x * m_size.y * 4;
else if (m_format == GL_R16UI) m_pbo_size = m_size.x * m_size.y * 2;
else {
fprintf(stderr, "wrong texture pixel format :%x\n", m_format);
assert(0); // TODO Later
ASSERT(0); // TODO Later
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, m_pbo_id);
glBufferData(GL_PIXEL_PACK_BUFFER, m_pbo_size, NULL, GL_STREAM_DRAW);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
ASSERT(!m_msaa);
case GSTexture::DepthStencil:
case GSTexture::RenderTarget:
case GSTexture::Texture:
// FIXME
// FIXME: check the opensource driver
// Howto allocate the texture unit !!!
// In worst case the HW renderer seems to use 3 texture unit
// For the moment SW renderer only use 1 so don't bother
EnableUnit(0);
// Did we need to setup a default sampler of the texture now?
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
if (m_format == GL_RGBA8)
glTexImage2D(m_texture_target, 0, m_format, m_size.x, m_size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
else if (m_format == GL_R16UI)
glTexImage2D(m_texture_target, 0, m_format, m_size.x, m_size.y, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, NULL);
else if (m_format == GL_R8)
glTexImage2D(m_texture_target, 0, m_format, m_size.x, m_size.y, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
else {
fprintf(stderr, "wrong texture pixel format :%x\n", m_format);
assert(0); // TODO Later
if (m_msaa) {
ASSERT(m_texture_target == GL_TEXTURE_2D_MULTISAMPLE);
// Require a recent GLEW and GL4.3
//glTexStorage2DMultisample(m_texture_target, msaa_level, m_format, m_size.x, m_size.y, false);
} else {
glTexStorage2D(m_texture_target, 1, m_format, m_size.x, m_size.y);
}
break;
default: break;
@ -155,7 +145,7 @@ void GSTextureOGL::Attach(GLenum attachment)
bool GSTextureOGL::Update(const GSVector4i& r, const void* data, int pitch)
{
if (m_type == GSTexture::DepthStencil || m_type == GSTexture::Offscreen) assert(0);
if (m_type == GSTexture::DepthStencil || m_type == GSTexture::Offscreen) ASSERT(0);
// FIXME warning order of the y axis
// FIXME I'm not confident with GL_UNSIGNED_BYTE type
@ -176,7 +166,7 @@ bool GSTextureOGL::Update(const GSVector4i& r, const void* data, int pitch)
glTexSubImage2D(m_texture_target, 0, r.x, r.y, r.width(), r.height(), GL_RED, GL_R8, data);
else {
fprintf(stderr, "wrong texture pixel format :%x\n", m_format);
assert(0);
ASSERT(0);
}
#if 0
//if (m_size.x != 16)
@ -256,7 +246,7 @@ bool GSTextureOGL::Map(GSMap& m, const GSVector4i* r)
glReadPixels(0, 0, m_size.x, m_size.y, GL_RED, GL_UNSIGNED_BYTE, 0);
} else {
fprintf(stderr, "wrong texture pixel format :%x\n", m_format);
assert(0);
ASSERT(0);
}
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);