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OpenGL Renderer: Final changes for OpenGL ES compatibility.

This commit is contained in:
rogerman 2024-07-09 22:03:33 -07:00
parent 384854f6e7
commit 0e88f9aa94
3 changed files with 70 additions and 55 deletions
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4
desmume/src/OGLRender.h
View File

@ -266,7 +266,7 @@ EXTERNOGLEXT(PFNGLRENDERBUFFERSTORAGEEXTPROC, glRenderbufferStorageEXT)
EXTERNOGLEXT(PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC, glRenderbufferStorageMultisampleEXT) EXTERNOGLEXT(PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC, glRenderbufferStorageMultisampleEXT)
EXTERNOGLEXT(PFNGLDELETERENDERBUFFERSEXTPROC, glDeleteRenderbuffersEXT) EXTERNOGLEXT(PFNGLDELETERENDERBUFFERSEXTPROC, glDeleteRenderbuffersEXT)
#elif defined(GL_ARB_framebuffer_object) #elif defined(GL_ARB_framebuffer_object) || defined(GL_ES_VERSION_3_0)
// Most OpenGL variants don't have GL_EXT_framebuffer_object, so redeclare all the ARB versions // Most OpenGL variants don't have GL_EXT_framebuffer_object, so redeclare all the ARB versions
// to their EXT versions to avoid compile time errors in OGLRender.cpp. // to their EXT versions to avoid compile time errors in OGLRender.cpp.
// //
@ -318,6 +318,7 @@ EXTERNOGLEXT(PFNGLDELETERENDERBUFFERSEXTPROC, glDeleteRenderbuffersEXT)
#ifndef GL_VERSION_1_2 #ifndef GL_VERSION_1_2
// These legacy functions can be promoted to later core equivalents without any further // These legacy functions can be promoted to later core equivalents without any further
// modification. In other words, these are one-to-one drop-in replacements. // modification. In other words, these are one-to-one drop-in replacements.
typedef GLclampf GLclampd;
#define glClearDepth(depth) glClearDepthf(depth) #define glClearDepth(depth) glClearDepthf(depth)
#define glDrawBuffer(x) glDrawBuffers(1, ((GLenum[]){x})) #define glDrawBuffer(x) glDrawBuffers(1, ((GLenum[]){x}))
@ -689,6 +690,7 @@ class OpenGLRenderer;
extern GPU3DInterface gpu3Dgl; extern GPU3DInterface gpu3Dgl;
extern GPU3DInterface gpu3DglOld; extern GPU3DInterface gpu3DglOld;
extern GPU3DInterface gpu3Dgl_3_2; extern GPU3DInterface gpu3Dgl_3_2;
extern GPU3DInterface gpu3Dgl_ES_3_0;
extern const GLenum GeometryDrawBuffersEnum[8][4]; extern const GLenum GeometryDrawBuffersEnum[8][4];
extern const GLint GeometryAttachmentWorkingBuffer[8]; extern const GLint GeometryAttachmentWorkingBuffer[8];

109
desmume/src/OGLRender_3_2.cpp
View File

@ -139,7 +139,7 @@ void OGLLoadEntryPoints_3_2()
} }
// Vertex shader for geometry, GLSL 1.50 // Vertex shader for geometry, GLSL 1.50
static const char *GeometryVtxShader_150 = {"\ const char *GeometryVtxShader_150 = {"\
IN_VTX_POSITION vec4 inPosition;\n\ IN_VTX_POSITION vec4 inPosition;\n\
IN_VTX_TEXCOORD0 vec2 inTexCoord0;\n\ IN_VTX_TEXCOORD0 vec2 inTexCoord0;\n\
IN_VTX_COLOR vec3 inColor; \n\ IN_VTX_COLOR vec3 inColor; \n\
@ -206,7 +206,7 @@ void main()\n\
"}; "};
// Fragment shader for geometry, GLSL 1.50 // Fragment shader for geometry, GLSL 1.50
static const char *GeometryFragShader_150 = {"\ const char *GeometryFragShader_150 = {"\
in vec2 vtxTexCoord;\n\ in vec2 vtxTexCoord;\n\
in vec4 vtxColor;\n\ in vec4 vtxColor;\n\
flat in int polyEnableTexture;\n\ flat in int polyEnableTexture;\n\
@ -354,7 +354,7 @@ void main()\n\
"}; "};
// Vertex shader for determining which pixels have a zero alpha, GLSL 1.50 // Vertex shader for determining which pixels have a zero alpha, GLSL 1.50
static const char *GeometryZeroDstAlphaPixelMaskVtxShader_150 = {"\ const char *GeometryZeroDstAlphaPixelMaskVtxShader_150 = {"\
IN_VTX_POSITION vec2 inPosition;\n\ IN_VTX_POSITION vec2 inPosition;\n\
\n\ \n\
void main()\n\ void main()\n\
@ -364,7 +364,7 @@ void main()\n\
"}; "};
// Fragment shader for determining which pixels have a zero alpha, GLSL 1.50 // Fragment shader for determining which pixels have a zero alpha, GLSL 1.50
static const char *GeometryZeroDstAlphaPixelMaskFragShader_150 = {"\ const char *GeometryZeroDstAlphaPixelMaskFragShader_150 = {"\
uniform sampler2D texInFragColor;\n\ uniform sampler2D texInFragColor;\n\
\n\ \n\
void main()\n\ void main()\n\
@ -379,7 +379,7 @@ void main()\n\
"}; "};
// Fragment shader for determining which pixels have a zero alpha, GLSL 1.50 // Fragment shader for determining which pixels have a zero alpha, GLSL 1.50
static const char *MSGeometryZeroDstAlphaPixelMaskFragShader_150 = {"\ const char *MSGeometryZeroDstAlphaPixelMaskFragShader_150 = {"\
uniform sampler2DMS texInFragColor;\n\ uniform sampler2DMS texInFragColor;\n\
\n\ \n\
void main()\n\ void main()\n\
@ -394,7 +394,7 @@ void main()\n\
"}; "};
// Vertex shader for applying edge marking, GLSL 1.50 // Vertex shader for applying edge marking, GLSL 1.50
static const char *EdgeMarkVtxShader_150 = {"\ const char *EdgeMarkVtxShader_150 = {"\
IN_VTX_POSITION vec2 inPosition;\n\ IN_VTX_POSITION vec2 inPosition;\n\
IN_VTX_TEXCOORD0 vec2 inTexCoord0;\n\ IN_VTX_TEXCOORD0 vec2 inTexCoord0;\n\
\n\ \n\
@ -415,7 +415,7 @@ void main()\n\
"}; "};
// Fragment shader for applying edge marking, GLSL 1.50 // Fragment shader for applying edge marking, GLSL 1.50
static const char *EdgeMarkFragShader_150 = {"\ const char *EdgeMarkFragShader_150 = {"\
in vec2 texCoord[5];\n\ in vec2 texCoord[5];\n\
\n\ \n\
layout (std140) uniform RenderStates\n\ layout (std140) uniform RenderStates\n\
@ -524,7 +524,7 @@ void main()\n\
"}; "};
// Vertex shader for applying fog, GLSL 1.50 // Vertex shader for applying fog, GLSL 1.50
static const char *FogVtxShader_150 = {"\ const char *FogVtxShader_150 = {"\
IN_VTX_POSITION vec2 inPosition;\n\ IN_VTX_POSITION vec2 inPosition;\n\
\n\ \n\
void main()\n\ void main()\n\
@ -534,7 +534,7 @@ void main()\n\
"}; "};
// Fragment shader for applying fog, GLSL 1.50 // Fragment shader for applying fog, GLSL 1.50
static const char *FogFragShader_150 = {"\ const char *FogFragShader_150 = {"\
layout (std140) uniform RenderStates\n\ layout (std140) uniform RenderStates\n\
{\n\ {\n\
bool enableAntialiasing;\n\ bool enableAntialiasing;\n\
@ -598,7 +598,7 @@ void main()\n\
"}; "};
// Vertex shader for the final framebuffer, GLSL 1.50 // Vertex shader for the final framebuffer, GLSL 1.50
static const char *FramebufferOutputVtxShader_150 = {"\ const char *FramebufferOutputVtxShader_150 = {"\
IN_VTX_POSITION vec2 inPosition;\n\ IN_VTX_POSITION vec2 inPosition;\n\
\n\ \n\
void main()\n\ void main()\n\
@ -608,7 +608,7 @@ void main()\n\
"}; "};
// Fragment shader for the final RGBA6665 formatted framebuffer, GLSL 1.50 // Fragment shader for the final RGBA6665 formatted framebuffer, GLSL 1.50
static const char *FramebufferOutput6665FragShader_150 = {"\ const char *FramebufferOutput6665FragShader_150 = {"\
uniform sampler2D texInFragColor;\n\ uniform sampler2D texInFragColor;\n\
\n\ \n\
OUT_COLOR vec4 outFragColor6665;\n\ OUT_COLOR vec4 outFragColor6665;\n\
@ -1012,6 +1012,7 @@ Render3DError OpenGLRenderer_3_2::CreateMultisampledFBO(GLsizei numSamples)
glGenRenderbuffers(1, &OGLRef.rboMSGFogAttrID); glGenRenderbuffers(1, &OGLRef.rboMSGFogAttrID);
glGenRenderbuffers(1, &OGLRef.rboMSGDepthStencilID); glGenRenderbuffers(1, &OGLRef.rboMSGDepthStencilID);
#ifdef GL_VERSION_3_2
if (this->willUsePerSampleZeroDstPass) if (this->willUsePerSampleZeroDstPass)
{ {
glGenTextures(1, &OGLRef.texMSGColorID); glGenTextures(1, &OGLRef.texMSGColorID);
@ -1036,6 +1037,7 @@ Render3DError OpenGLRenderer_3_2::CreateMultisampledFBO(GLsizei numSamples)
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
} }
else else
#endif
{ {
glGenRenderbuffers(1, &OGLRef.rboMSGColorID); glGenRenderbuffers(1, &OGLRef.rboMSGColorID);
glGenRenderbuffers(1, &OGLRef.rboMSGWorkingID); glGenRenderbuffers(1, &OGLRef.rboMSGWorkingID);
@ -1057,12 +1059,14 @@ Render3DError OpenGLRenderer_3_2::CreateMultisampledFBO(GLsizei numSamples)
glGenFramebuffers(1, &OGLRef.fboMSIntermediateRenderID); glGenFramebuffers(1, &OGLRef.fboMSIntermediateRenderID);
glBindFramebuffer(GL_FRAMEBUFFER, OGLRef.fboMSIntermediateRenderID); glBindFramebuffer(GL_FRAMEBUFFER, OGLRef.fboMSIntermediateRenderID);
#ifdef GL_VERSION_3_2
if (this->willUsePerSampleZeroDstPass) if (this->willUsePerSampleZeroDstPass)
{ {
glFramebufferTexture2D(GL_FRAMEBUFFER, OGL_COLOROUT_ATTACHMENT_ID, GL_TEXTURE_2D_MULTISAMPLE, OGLRef.texMSGColorID, 0); glFramebufferTexture2D(GL_FRAMEBUFFER, OGL_COLOROUT_ATTACHMENT_ID, GL_TEXTURE_2D_MULTISAMPLE, OGLRef.texMSGColorID, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, OGL_WORKING_ATTACHMENT_ID, GL_TEXTURE_2D_MULTISAMPLE, OGLRef.texMSGWorkingID, 0); glFramebufferTexture2D(GL_FRAMEBUFFER, OGL_WORKING_ATTACHMENT_ID, GL_TEXTURE_2D_MULTISAMPLE, OGLRef.texMSGWorkingID, 0);
} }
else else
#endif
{ {
glFramebufferRenderbuffer(GL_FRAMEBUFFER, OGL_COLOROUT_ATTACHMENT_ID, GL_RENDERBUFFER, OGLRef.rboMSGColorID); glFramebufferRenderbuffer(GL_FRAMEBUFFER, OGL_COLOROUT_ATTACHMENT_ID, GL_RENDERBUFFER, OGLRef.rboMSGColorID);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, OGL_WORKING_ATTACHMENT_ID, GL_RENDERBUFFER, OGLRef.rboMSGWorkingID); glFramebufferRenderbuffer(GL_FRAMEBUFFER, OGL_WORKING_ATTACHMENT_ID, GL_RENDERBUFFER, OGLRef.rboMSGWorkingID);
@ -1239,6 +1243,7 @@ Render3DError OpenGLRenderer_3_2::CreateGeometryPrograms()
glBindBufferBase(GL_UNIFORM_BUFFER, OGLBindingPointID_PolyStates, OGLRef.uboPolyStatesID); glBindBufferBase(GL_UNIFORM_BUFFER, OGLBindingPointID_PolyStates, OGLRef.uboPolyStatesID);
} }
} }
#if defined(GL_VERSION_3_1) || defined(GL_ES_VERSION_3_2)
else if (this->_isTBOSupported) else if (this->_isTBOSupported)
{ {
// Older GPUs that support 3.2 Core Profile but not 64k UBOs can transfer the polygon // Older GPUs that support 3.2 Core Profile but not 64k UBOs can transfer the polygon
@ -1258,6 +1263,7 @@ Render3DError OpenGLRenderer_3_2::CreateGeometryPrograms()
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
} }
} }
#endif
else else
{ {
// For compatibility reasons, we can transfer the polygon states through a plain old // For compatibility reasons, we can transfer the polygon states through a plain old
@ -1287,60 +1293,49 @@ Render3DError OpenGLRenderer_3_2::CreateGeometryPrograms()
OGLGeometryFlags programFlags; OGLGeometryFlags programFlags;
programFlags.value = 0; programFlags.value = 0;
std::stringstream vtxShaderHeader; std::stringstream shaderHeader;
if (this->_isConservativeDepthSupported || this->_isConservativeDepthAMDSupported) if (this->_isConservativeDepthSupported || this->_isConservativeDepthAMDSupported)
{ {
vtxShaderHeader << "#version 400\n"; shaderHeader << "#version 400\n";
}
else if (this->_isShaderFixedLocationSupported)
{
vtxShaderHeader << "#version 330\n";
}
else
{
vtxShaderHeader << "#version 150\n";
}
vtxShaderHeader << "\n";
if (this->_isShaderFixedLocationSupported)
{
vtxShaderHeader << "#define IN_VTX_POSITION layout (location = " << OGLVertexAttributeID_Position << ") in\n";
vtxShaderHeader << "#define IN_VTX_TEXCOORD0 layout (location = " << OGLVertexAttributeID_TexCoord0 << ") in\n";
vtxShaderHeader << "#define IN_VTX_COLOR layout (location = " << OGLVertexAttributeID_Color << ") in\n";
}
else
{
vtxShaderHeader << "#define IN_VTX_POSITION in\n";
vtxShaderHeader << "#define IN_VTX_TEXCOORD0 in\n";
vtxShaderHeader << "#define IN_VTX_COLOR in\n";
}
vtxShaderHeader << "\n";
vtxShaderHeader << "#define IS_USING_UBO_POLY_STATES " << ((OGLRef.uboPolyStatesID != 0) ? 1 : 0) << "\n";
vtxShaderHeader << "#define IS_USING_TBO_POLY_STATES " << ((OGLRef.tboPolyStatesID != 0) ? 1 : 0) << "\n";
vtxShaderHeader << "#define DEPTH_EQUALS_TEST_TOLERANCE " << DEPTH_EQUALS_TEST_TOLERANCE << ".0\n";
vtxShaderHeader << "\n";
std::string vtxShaderCode = vtxShaderHeader.str() + std::string(GeometryVtxShader_150);
std::stringstream fragShaderHeader;
if (this->_isConservativeDepthSupported || this->_isConservativeDepthAMDSupported)
{
fragShaderHeader << "#version 400\n";
// Prioritize using GL_AMD_conservative_depth over GL_ARB_conservative_depth, since AMD drivers // Prioritize using GL_AMD_conservative_depth over GL_ARB_conservative_depth, since AMD drivers
// seem to have problems with GL_ARB_conservative_depth. // seem to have problems with GL_ARB_conservative_depth.
fragShaderHeader << ((this->_isConservativeDepthAMDSupported) ? "#extension GL_AMD_conservative_depth : require\n" : "#extension GL_ARB_conservative_depth : require\n"); shaderHeader << ((this->_isConservativeDepthAMDSupported) ? "#extension GL_AMD_conservative_depth : require\n" : "#extension GL_ARB_conservative_depth : require\n");
} }
else if (this->_isShaderFixedLocationSupported) else if (this->_isShaderFixedLocationSupported)
{ {
fragShaderHeader << "#version 330\n"; shaderHeader << "#version 330\n";
} }
else else
{ {
fragShaderHeader << "#version 150\n"; shaderHeader << "#version 150\n";
} }
fragShaderHeader << "#define IS_CONSERVATIVE_DEPTH_SUPPORTED " << ((this->_isConservativeDepthSupported || this->_isConservativeDepthAMDSupported) ? 1 : 0) << "\n"; shaderHeader << "\n";
fragShaderHeader << "\n";
std::stringstream vsHeader;
if (this->_isShaderFixedLocationSupported)
{
vsHeader << "#define IN_VTX_POSITION layout (location = " << OGLVertexAttributeID_Position << ") in\n";
vsHeader << "#define IN_VTX_TEXCOORD0 layout (location = " << OGLVertexAttributeID_TexCoord0 << ") in\n";
vsHeader << "#define IN_VTX_COLOR layout (location = " << OGLVertexAttributeID_Color << ") in\n";
}
else
{
vsHeader << "#define IN_VTX_POSITION in\n";
vsHeader << "#define IN_VTX_TEXCOORD0 in\n";
vsHeader << "#define IN_VTX_COLOR in\n";
}
vsHeader << "\n";
vsHeader << "#define IS_USING_UBO_POLY_STATES " << ((OGLRef.uboPolyStatesID != 0) ? 1 : 0) << "\n";
vsHeader << "#define IS_USING_TBO_POLY_STATES " << ((OGLRef.tboPolyStatesID != 0) ? 1 : 0) << "\n";
vsHeader << "#define DEPTH_EQUALS_TEST_TOLERANCE " << DEPTH_EQUALS_TEST_TOLERANCE << ".0\n";
vsHeader << "\n";
std::string vtxShaderCode = shaderHeader.str() + vsHeader.str() + std::string(GeometryVtxShader_150);
std::stringstream fsHeader;
fsHeader << "#define IS_CONSERVATIVE_DEPTH_SUPPORTED " << ((this->_isConservativeDepthSupported || this->_isConservativeDepthAMDSupported) ? 1 : 0) << "\n";
fsHeader << "\n";
for (size_t flagsValue = 0; flagsValue < 128; flagsValue++, programFlags.value++) for (size_t flagsValue = 0; flagsValue < 128; flagsValue++, programFlags.value++)
{ {
@ -1373,7 +1368,7 @@ Render3DError OpenGLRenderer_3_2::CreateGeometryPrograms()
shaderFlags << "#define DRAW_MODE_OPAQUE " << ((programFlags.OpaqueDrawMode) ? 1 : 0) << "\n"; shaderFlags << "#define DRAW_MODE_OPAQUE " << ((programFlags.OpaqueDrawMode) ? 1 : 0) << "\n";
shaderFlags << "\n"; shaderFlags << "\n";
std::string fragShaderCode = fragShaderHeader.str() + shaderFlags.str() + std::string(GeometryFragShader_150); std::string fragShaderCode = shaderHeader.str() + fsHeader.str() + shaderFlags.str() + std::string(GeometryFragShader_150);
error = this->ShaderProgramCreate(OGLRef.vertexGeometryShaderID, error = this->ShaderProgramCreate(OGLRef.vertexGeometryShaderID,
OGLRef.fragmentGeometryShaderID[flagsValue], OGLRef.fragmentGeometryShaderID[flagsValue],
@ -1473,7 +1468,9 @@ void OpenGLRenderer_3_2::DestroyGeometryPrograms()
OGLRenderRef &OGLRef = *this->ref; OGLRenderRef &OGLRef = *this->ref;
glBindBuffer(GL_UNIFORM_BUFFER, 0); glBindBuffer(GL_UNIFORM_BUFFER, 0);
#if defined(GL_VERSION_3_1) || defined(GL_ES_VERSION_3_2)
glBindBuffer(GL_TEXTURE_BUFFER, 0); glBindBuffer(GL_TEXTURE_BUFFER, 0);
#endif
glDeleteBuffers(1, &OGLRef.uboRenderStatesID); glDeleteBuffers(1, &OGLRef.uboRenderStatesID);
glDeleteBuffers(1, &OGLRef.uboPolyStatesID); glDeleteBuffers(1, &OGLRef.uboPolyStatesID);
glDeleteBuffers(1, &OGLRef.tboPolyStatesID); glDeleteBuffers(1, &OGLRef.tboPolyStatesID);
@ -2398,6 +2395,7 @@ Render3DError OpenGLRenderer_3_2::BeginRender(const GFX3D_State &renderState, co
OGLPolyStates *polyStates = this->_pendingPolyStates; OGLPolyStates *polyStates = this->_pendingPolyStates;
#if defined(GL_VERSION_3_1) || defined(GL_ES_VERSION_3_2)
if (OGLRef.tboPolyStatesID != 0) if (OGLRef.tboPolyStatesID != 0)
{ {
// Some drivers seem to have problems with GL_TEXTURE_BUFFER used as the target for // Some drivers seem to have problems with GL_TEXTURE_BUFFER used as the target for
@ -2406,6 +2404,7 @@ Render3DError OpenGLRenderer_3_2::BeginRender(const GFX3D_State &renderState, co
// to prevent these glitches from happening. // to prevent these glitches from happening.
polyStates = (OGLPolyStates *)glMapBuffer(GL_TEXTURE_BUFFER, GL_WRITE_ONLY); polyStates = (OGLPolyStates *)glMapBuffer(GL_TEXTURE_BUFFER, GL_WRITE_ONLY);
} }
#endif
for (size_t i = 0; i < this->_clippedPolyCount; i++) for (size_t i = 0; i < this->_clippedPolyCount; i++)
{ {
@ -2437,10 +2436,12 @@ Render3DError OpenGLRenderer_3_2::BeginRender(const GFX3D_State &renderState, co
glBindBuffer(GL_UNIFORM_BUFFER, OGLRef.uboPolyStatesID); glBindBuffer(GL_UNIFORM_BUFFER, OGLRef.uboPolyStatesID);
glBufferSubData(GL_UNIFORM_BUFFER, 0, MAX_CLIPPED_POLY_COUNT_FOR_UBO * sizeof(OGLPolyStates), this->_pendingPolyStates); glBufferSubData(GL_UNIFORM_BUFFER, 0, MAX_CLIPPED_POLY_COUNT_FOR_UBO * sizeof(OGLPolyStates), this->_pendingPolyStates);
} }
#if defined(GL_VERSION_3_1) || defined(GL_ES_VERSION_3_2)
else if (OGLRef.tboPolyStatesID != 0) else if (OGLRef.tboPolyStatesID != 0)
{ {
glUnmapBuffer(GL_TEXTURE_BUFFER); glUnmapBuffer(GL_TEXTURE_BUFFER);
} }
#endif
else else
{ {
const GLsizei texH = (GLsizei)((this->_clippedPolyCount >> 8) & 0x007F) + 1; const GLsizei texH = (GLsizei)((this->_clippedPolyCount >> 8) & 0x007F) + 1;

12
desmume/src/OGLRender_3_2.h
View File

@ -24,6 +24,18 @@
#define MAX_CLIPPED_POLY_COUNT_FOR_UBO 16384 #define MAX_CLIPPED_POLY_COUNT_FOR_UBO 16384
extern const char *GeometryVtxShader_150;
extern const char *GeometryFragShader_150;
extern const char *GeometryZeroDstAlphaPixelMaskVtxShader_150;
extern const char *GeometryZeroDstAlphaPixelMaskFragShader_150;
extern const char *MSGeometryZeroDstAlphaPixelMaskFragShader_150;
extern const char *EdgeMarkVtxShader_150;
extern const char *EdgeMarkFragShader_150;
extern const char *FogVtxShader_150;
extern const char *FogFragShader_150;
extern const char *FramebufferOutputVtxShader_150;
extern const char *FramebufferOutput6665FragShader_150;
void OGLLoadEntryPoints_3_2(); void OGLLoadEntryPoints_3_2();
void OGLCreateRenderer_3_2(OpenGLRenderer **rendererPtr); void OGLCreateRenderer_3_2(OpenGLRenderer **rendererPtr);