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swiftshader
Commit c66f0e36 by Nicolas Capens
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Implement GL_EXT_draw_buffers.

Bug 19353282 Change-Id: I4a1782c2f1e9ae52b731ef447e97c353cc41044e Reviewed-on: https://swiftshader-review.googlesource.com/5123Tested-by: 's avatarNicolas Capens <capn@google.com> Reviewed-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarNicolas Capens <capn@google.com>
parent 66747475
Showing with 95 additions and 20 deletions
src/OpenGL/compiler/Compiler.h
......@@ -49,6 +49,7 @@ struct ShBuiltInResources
int OES_standard_derivatives;
int OES_fragment_precision_high;
int OES_EGL_image_external;
int EXT_draw_buffers;
unsigned int MaxCallStackDepth;
};
......
src/OpenGL/compiler/Initialize.cpp
......@@ -481,4 +481,6 @@ void InitExtensionBehavior(const ShBuiltInResources& resources,
extBehavior["GL_FRAGMENT_PRECISION_HIGH"] = EBhUndefined;
if(resources.OES_EGL_image_external)
extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
if(resources.EXT_draw_buffers)
extBehavior["GL_EXT_draw_buffers"] = EBhUndefined;
}
src/OpenGL/libGLESv2/Context.cpp
......@@ -4253,6 +4253,7 @@ const GLubyte* Context::getExtensions(GLuint index, GLuint* numExt) const
(const GLubyte*)"GL_OES_texture_3D",
(const GLubyte*)"GL_EXT_blend_minmax",
(const GLubyte*)"GL_EXT_color_buffer_half_float",
(const GLubyte*)"GL_EXT_draw_buffers",
(const GLubyte*)"GL_EXT_occlusion_query_boolean",
(const GLubyte*)"GL_EXT_read_format_bgra",
#if (S3TC_SUPPORT)
......
src/OpenGL/libGLESv2/Shader.cpp
......@@ -176,6 +176,7 @@ TranslatorASM *Shader::createCompiler(GLenum shaderType)
resources.OES_standard_derivatives = 1;
resources.OES_fragment_precision_high = 1;
resources.OES_EGL_image_external = 1;
resources.EXT_draw_buffers = 1;
resources.MaxCallStackDepth = 16;
assembler->Init(resources);
......
src/OpenGL/libGLESv2/exports.map
......@@ -182,6 +182,7 @@ global:
glFramebufferTexture2DOES;
glGetFramebufferAttachmentParameterivOES;
glGenerateMipmapOES;
glDrawBuffersEXT;
# GLES 3.0 Functions
glReadBuffer;
......
src/OpenGL/libGLESv2/libGLESv2.cpp
......@@ -1987,6 +1987,7 @@ void FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuff
switch(attachment)
{
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
......@@ -2018,12 +2019,6 @@ void FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuff
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
if(clientVersion < 3)
{
return error(GL_INVALID_ENUM);
}
// fall through
case GL_COLOR_ATTACHMENT0:
if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_ENUM);
......@@ -2134,10 +2129,9 @@ void FramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GL
return error(GL_INVALID_OPERATION);
}
GLint clientVersion = context->getClientVersion();
switch(attachment)
{
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
......@@ -2169,12 +2163,6 @@ void FramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GL
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
if(clientVersion < 3)
{
return error(GL_INVALID_ENUM);
}
// fall through
case GL_COLOR_ATTACHMENT0:
if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_ENUM);
......@@ -2807,6 +2795,7 @@ void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenu
}
else return error(GL_INVALID_ENUM);
break;
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
......@@ -2838,12 +2827,6 @@ void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenu
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
if(clientVersion < 3)
{
return error(GL_INVALID_ENUM);
}
// fall through
case GL_COLOR_ATTACHMENT0:
if((attachment - GL_COLOR_ATTACHMENT0) >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_ENUM);
......@@ -6772,6 +6755,82 @@ void GenerateMipmapOES(GLenum target)
GenerateMipmap(target);
}
void DrawBuffersEXT(GLsizei n, const GLenum *bufs)
{
TRACE("(GLsizei n = %d, const GLenum *bufs = %p)", n, bufs);
if(n < 0 || n > MAX_DRAW_BUFFERS)
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
GLuint drawFramebufferName = context->getDrawFramebufferName();
if((drawFramebufferName == 0) && (n != 1))
{
return error(GL_INVALID_OPERATION);
}
for(unsigned int i = 0; i < (unsigned)n; i++)
{
switch(bufs[i])
{
case GL_BACK:
if(drawFramebufferName != 0)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_NONE:
break;
case GL_COLOR_ATTACHMENT0_EXT:
case GL_COLOR_ATTACHMENT1_EXT:
case GL_COLOR_ATTACHMENT2_EXT:
case GL_COLOR_ATTACHMENT3_EXT:
case GL_COLOR_ATTACHMENT4_EXT:
case GL_COLOR_ATTACHMENT5_EXT:
case GL_COLOR_ATTACHMENT6_EXT:
case GL_COLOR_ATTACHMENT7_EXT:
case GL_COLOR_ATTACHMENT8_EXT:
case GL_COLOR_ATTACHMENT9_EXT:
case GL_COLOR_ATTACHMENT10_EXT:
case GL_COLOR_ATTACHMENT11_EXT:
case GL_COLOR_ATTACHMENT12_EXT:
case GL_COLOR_ATTACHMENT13_EXT:
case GL_COLOR_ATTACHMENT14_EXT:
case GL_COLOR_ATTACHMENT15_EXT:
{
GLuint index = (bufs[i] - GL_COLOR_ATTACHMENT0_EXT);
if(index >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_OPERATION);
}
if(index != i)
{
return error(GL_INVALID_OPERATION);
}
if(drawFramebufferName == 0)
{
return error(GL_INVALID_OPERATION);
}
}
break;
default:
return error(GL_INVALID_ENUM);
}
}
context->setFramebufferDrawBuffers(n, bufs);
}
}
}
extern "C" __eglMustCastToProperFunctionPointerType es2GetProcAddress(const char *procname)
......@@ -6831,6 +6890,7 @@ extern "C" __eglMustCastToProperFunctionPointerType es2GetProcAddress(const char
EXTENSION(glFramebufferTexture2DOES),
EXTENSION(glGetFramebufferAttachmentParameterivOES),
EXTENSION(glGenerateMipmapOES),
EXTENSION(glDrawBuffersEXT),
#undef EXTENSION
};
......
src/OpenGL/libGLESv2/libGLESv2.def
......@@ -182,6 +182,7 @@ EXPORTS
glFramebufferTexture2DOES
glGetFramebufferAttachmentParameterivOES
glGenerateMipmapOES
glDrawBuffersEXT
; GLES 3.0 Functions
glReadBuffer @211
......
src/OpenGL/libGLESv2/libGLESv2.hpp
......@@ -224,6 +224,7 @@ public:
void (*glFramebufferTexture2DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
void (*glGetFramebufferAttachmentParameterivOES)(GLenum target, GLenum attachment, GLenum pname, GLint* params);
void (*glGenerateMipmapOES)(GLenum target);
void (*glDrawBuffersEXT)(GLsizei n, const GLenum *bufs);
egl::Context *(*es2CreateContext)(const egl::Config *config, const egl::Context *shareContext, int clientVersion);
__eglMustCastToProperFunctionPointerType (*es2GetProcAddress)(const char *procname);
......
src/OpenGL/libGLESv2/main.cpp
......@@ -347,6 +347,7 @@ GL_APICALL void FramebufferRenderbufferOES(GLenum target, GLenum attachment, GLe
GL_APICALL void FramebufferTexture2DOES(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
GL_APICALL void GetFramebufferAttachmentParameterivOES(GLenum target, GLenum attachment, GLenum pname, GLint* params);
GL_APICALL void GenerateMipmapOES(GLenum target);
GL_APICALL void DrawBuffersEXT(GLsizei n, const GLenum *bufs);
}
extern "C"
......@@ -1318,6 +1319,11 @@ GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES(GLenum target
return es2::EGLImageTargetRenderbufferStorageOES(target, image);
}
GL_APICALL void GL_APIENTRY glDrawBuffersEXT(GLsizei n, const GLenum *bufs)
{
return es2::DrawBuffersEXT(n, bufs);
}
void GL_APIENTRY Register(const char *licenseKey)
{
RegisterLicenseKey(licenseKey);
......@@ -1524,6 +1530,7 @@ LibGLESv2exports::LibGLESv2exports()
this->glFramebufferTexture2DOES = es2::FramebufferTexture2DOES;
this->glGetFramebufferAttachmentParameterivOES = es2::GetFramebufferAttachmentParameterivOES;
this->glGenerateMipmapOES = es2::GenerateMipmapOES;
this->glDrawBuffersEXT = es2::DrawBuffersEXT;
this->es2CreateContext = ::es2CreateContext;
this->es2GetProcAddress = ::es2GetProcAddress;
......
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