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Emulate some missing functions required for GLES

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Emulate missing DSA texture and renderbuffer functions, and add some
draw functions which are not available before GLES 3.2.
This commit is contained in:
Janos Pantos
2017-04-13 14:34:38 +02:00
committed by Baldur Karlsson
parent 25c4123119
commit 910501062b
1 changed files with 154 additions and 0 deletions
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renderdoc/driver/gl/wrappers/gl_emulated.cpp
+154
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@@ -114,6 +114,11 @@ GLenum TexBindTarget(GLenum target)
PushPop CONCAT(prev, __LINE__)(target, hookset->glBindFramebuffer, &FramebufferBinding); \
hookset->glBindFramebuffer(target, obj);
#define PushPopRenderbuffer(obj) \
PushPop CONCAT(prev, __LINE__)(eGL_RENDERBUFFER, hookset->glBindRenderbuffer, \
eGL_RENDERBUFFER_BINDING); \
hookset->glBindRenderbuffer(eGL_RENDERBUFFER, obj);
#define PushPopVertexArray(obj) \
PushPop CONCAT(prev, __LINE__)(hookset->glBindVertexArray); \
hookset->glBindVertexArray(obj);
@@ -308,6 +313,40 @@ void APIENTRY _glFramebufferReadBufferEXT(GLuint framebuffer, GLenum mode)
internalGL->glReadBuffer(mode);
}
void APIENTRY _glNamedFramebufferRenderbufferEXT(GLuint framebuffer, GLenum attachment,
GLenum renderbuffertarget, GLuint renderbuffer)
{
PushPopFramebuffer(eGL_DRAW_FRAMEBUFFER, framebuffer);
internalGL->glFramebufferRenderbuffer(eGL_DRAW_FRAMEBUFFER, attachment, renderbuffertarget,
renderbuffer);
}
#pragma endregion
#pragma region Renderbuffers
void APIENTRY _glNamedRenderbufferStorageEXT(GLuint renderbuffer, GLenum internalformat,
GLsizei width, GLsizei height)
{
PushPopRenderbuffer(renderbuffer);
internalGL->glRenderbufferStorage(eGL_RENDERBUFFER, internalformat, width, height);
}
void APIENTRY _glNamedRenderbufferStorageMultisampleEXT(GLuint renderbuffer, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height)
{
PushPopRenderbuffer(renderbuffer);
internalGL->glRenderbufferStorageMultisample(eGL_RENDERBUFFER, samples, internalformat, width,
height);
}
void APIENTRY _glGetNamedRenderbufferParameterivEXT(GLuint renderbuffer, GLenum pname, GLint *params)
{
PushPopRenderbuffer(renderbuffer);
internalGL->glGetRenderbufferParameteriv(eGL_RENDERBUFFER, pname, params);
}
#pragma endregion
#pragma region Buffers
@@ -646,6 +685,73 @@ void APIENTRY _glTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level
format, type, pixels);
}
void APIENTRY _glTextureStorage1DEXT(GLuint texture, GLenum target, GLsizei levels,
GLenum internalformat, GLsizei width)
{
PushPopTexture(target, texture);
internalGL->glTexStorage1D(target, levels, internalformat, width);
}
void APIENTRY _glTextureStorage2DEXT(GLuint texture, GLenum target, GLsizei levels,
GLenum internalformat, GLsizei width, GLsizei height)
{
PushPopTexture(target, texture);
internalGL->glTexStorage2D(target, levels, internalformat, width, height);
}
void APIENTRY _glTextureStorage3DEXT(GLuint texture, GLenum target, GLsizei levels,
GLenum internalformat, GLsizei width, GLsizei height,
GLsizei depth)
{
PushPopTexture(target, texture);
internalGL->glTexStorage3D(target, levels, internalformat, width, height, depth);
}
void APIENTRY _glCopyTextureImage1DEXT(GLuint texture, GLenum target, GLint level,
GLenum internalformat, GLint x, GLint y, GLsizei width,
GLint border)
{
PushPopTexture(target, texture);
internalGL->glCopyTexImage1D(target, level, internalformat, x, y, width, border);
}
void APIENTRY _glCopyTextureImage2DEXT(GLuint texture, GLenum target, GLint level,
GLenum internalformat, GLint x, GLint y, GLsizei width,
GLsizei height, GLint border)
{
PushPopTexture(target, texture);
internalGL->glCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
}
void APIENTRY _glCopyTextureSubImage1DEXT(GLuint texture, GLenum target, GLint level, GLint xoffset,
GLint x, GLint y, GLsizei width)
{
PushPopTexture(target, texture);
internalGL->glCopyTexSubImage1D(target, level, xoffset, x, y, width);
}
void APIENTRY _glCopyTextureSubImage2DEXT(GLuint texture, GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLint x, GLint y, GLsizei width,
GLsizei height)
{
PushPopTexture(target, texture);
internalGL->glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
}
void APIENTRY _glCopyTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLint zoffset, GLint x, GLint y,
GLsizei width, GLsizei height)
{
PushPopTexture(target, texture);
internalGL->glCopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width, height);
}
void APIENTRY _glGenerateTextureMipmapEXT(GLuint texture, GLenum target)
{
PushPopTexture(target, texture);
internalGL->glGenerateMipmap(target);
}
#pragma endregion
#pragma region Vertex Arrays
@@ -1303,6 +1409,34 @@ void APIENTRY _glGetTexImage(GLenum target, GLint level, GLenum format, GLenum t
internalGL->glDeleteFramebuffers(1, &fbo);
}
void APIENTRY _glDrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
const void *indices, GLint basevertex)
{
if(basevertex == 0)
internalGL->glDrawElements(mode, count, type, indices);
else
RDCERR("glDrawElementsBaseVertex is not supported! No draw will be called!");
}
void APIENTRY _glDrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type,
const void *indices, GLsizei instancecount,
GLint basevertex)
{
if(basevertex == 0)
internalGL->glDrawElementsInstanced(mode, count, type, indices, instancecount);
else
RDCERR("glDrawElementsInstancedBaseVertex is not supported! No draw will be called!");
}
void APIENTRY _glDrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count,
GLenum type, const void *indices, GLint basevertex)
{
if(basevertex == 0)
internalGL->glDrawRangeElements(mode, start, end, count, type, indices);
else
RDCERR("glDrawRangeElementsBaseVertex is not supported! No draw will be called!");
}
#pragma endregion
void EmulateRequiredExtensions(const GLHookSet *real, GLHookSet *hooks)
@@ -1341,6 +1475,13 @@ void EmulateRequiredExtensions(const GLHookSet *real, GLHookSet *hooks)
{
EMULATE_FUNC(glGetBufferSubData);
EMULATE_FUNC(glGetTexImage);
if(GLCoreVersion < 32)
{
EMULATE_FUNC(glDrawElementsBaseVertex);
EMULATE_FUNC(glDrawElementsInstancedBaseVertex);
EMULATE_FUNC(glDrawRangeElementsBaseVertex);
}
}
// Emulate the EXT_dsa functions that we'll need.
@@ -1418,6 +1559,19 @@ void EmulateRequiredExtensions(const GLHookSet *real, GLHookSet *hooks)
EMULATE_FUNC(glVertexArrayVertexBindingDivisorEXT);
EMULATE_FUNC(glVertexArrayVertexAttribLOffsetEXT);
EMULATE_FUNC(glVertexArrayVertexAttribDivisorEXT);
EMULATE_FUNC(glTextureStorage1DEXT);
EMULATE_FUNC(glTextureStorage2DEXT);
EMULATE_FUNC(glTextureStorage3DEXT);
EMULATE_FUNC(glCopyTextureImage1DEXT);
EMULATE_FUNC(glCopyTextureImage2DEXT);
EMULATE_FUNC(glCopyTextureSubImage1DEXT);
EMULATE_FUNC(glCopyTextureSubImage2DEXT);
EMULATE_FUNC(glCopyTextureSubImage3DEXT);
EMULATE_FUNC(glGenerateTextureMipmapEXT);
EMULATE_FUNC(glNamedFramebufferRenderbufferEXT);
EMULATE_FUNC(glNamedRenderbufferStorageEXT);
EMULATE_FUNC(glNamedRenderbufferStorageMultisampleEXT);
EMULATE_FUNC(glGetNamedRenderbufferParameterivEXT);
}
}