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OPENGL: Add more texture wrap modes detection

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This commit is contained in:
Le Philousophe 2022-10-16 18:28:50 +02:00
parent fb17cf427c
commit 82cd971aca
2 changed files with 24 additions and 0 deletions
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18
graphics/opengl/context.cpp
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@ -69,6 +69,8 @@ void Context::reset() {
unpackSubImageSupported = false;
OESDepth24 = false;
textureEdgeClampSupported = false;
textureBorderClampSupported = false;
textureMirrorRepeatSupported = false;
}
void Context::initialize(ContextType contextType) {
@ -180,6 +182,10 @@ void Context::initialize(ContextType contextType) {
OESDepth24 = true;
} else if (token == "GL_SGIS_texture_edge_clamp") {
textureEdgeClampSupported = true;
} else if (token == "GL_SGIS_texture_border_clamp") {
textureBorderClampSupported = true;
} else if (token == "GL_ARB_texture_mirrored_repeat") {
textureMirrorRepeatSupported = true;
}
}
@ -211,6 +217,8 @@ void Context::initialize(ContextType contextType) {
packedPixelsSupported = true;
textureEdgeClampSupported = true;
// No border clamping in GLES2
textureMirrorRepeatSupported = true;
debug(5, "OpenGL: GLES2 context initialized");
} else if (type == kContextGLES) {
// GLES doesn't support shaders natively
@ -228,6 +236,8 @@ void Context::initialize(ContextType contextType) {
packedPixelsSupported = true;
textureEdgeClampSupported = true;
// No border clamping in GLES
// No mirror repeat in GLES
debug(5, "OpenGL: GLES context initialized");
} else if (type == kContextGL) {
shadersSupported = glslVersion >= 100;
@ -259,6 +269,14 @@ void Context::initialize(ContextType contextType) {
packedPixelsSupported = true;
textureEdgeClampSupported = true;
}
// OpenGL 1.3 adds texture border clamp support
if (isGLVersionOrHigher(1, 3)) {
textureBorderClampSupported = true;
}
// OpenGL 1.4 adds texture mirror repeat support
if (isGLVersionOrHigher(1, 4)) {
textureMirrorRepeatSupported = true;
}
debug(5, "OpenGL: GL context initialized");
} else {
warning("OpenGL: Unknown context initialized");

6
graphics/opengl/context.h
View file

@ -111,6 +111,12 @@ public:
/** Whether texture coordinate edge clamping is available or not. */
bool textureEdgeClampSupported;
/** Whether texture coordinate border clamping is available or not. */
bool textureBorderClampSupported;
/** Whether texture coordinate mirrored repeat is available or not. */
bool textureMirrorRepeatSupported;
private:
/**
* Returns the native GLSL version supported by the driver.