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lots of changes to rasters; mostly mipmap support and DXT conversion

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This commit is contained in:
aap
2020-11-11 09:34:36 +01:00
parent 3e2080ad56
commit 7e80d45cdb
19 changed files with 895 additions and 328 deletions
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src/gl/gl3device.cpp
+23 -5
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@@ -260,6 +260,8 @@ static uint32 blendMap[] = {
GL_SRC_ALPHA_SATURATE,
};
static float maxAnisotropy;
/*
* GL state cache
*/
@@ -434,12 +436,16 @@ bindFramebuffer(uint32 fbo)
}
}
// TODO: support mipmaps
static GLint filterConvMap_NoMIP[] = {
0, GL_NEAREST, GL_LINEAR,
GL_NEAREST, GL_LINEAR,
GL_NEAREST, GL_LINEAR
};
static GLint filterConvMap_MIP[] = {
0, GL_NEAREST, GL_LINEAR,
GL_NEAREST_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_NEAREST,
GL_NEAREST_MIPMAP_LINEAR, GL_LINEAR_MIPMAP_LINEAR
};
static GLint addressConvMap[] = {
0, GL_REPEAT, GL_MIRRORED_REPEAT,
@@ -456,8 +462,13 @@ setFilterMode(uint32 stage, int32 filter)
Gl3Raster *natras = PLUGINOFFSET(Gl3Raster, rwStateCache.texstage[stage].raster, nativeRasterOffset);
if(natras->filterMode != filter){
setActiveTexture(stage);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_NoMIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_NoMIP[filter]);
if(natras->autogenMipmap || natras->numLevels > 1){
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_MIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_MIP[filter]);
}else{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_NoMIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_NoMIP[filter]);
}
natras->filterMode = filter;
}
}
@@ -547,8 +558,13 @@ setRasterStage(uint32 stage, Raster *raster)
uint32 addrU = rwStateCache.texstage[stage].addressingU;
uint32 addrV = rwStateCache.texstage[stage].addressingV;
if(natras->filterMode != filter){
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_NoMIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_NoMIP[filter]);
if(natras->autogenMipmap || natras->numLevels > 1){
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_MIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_MIP[filter]);
}else{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filterConvMap_NoMIP[filter]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filterConvMap_NoMIP[filter]);
}
natras->filterMode = filter;
}
if(natras->addressU != addrU){
@@ -1521,6 +1537,8 @@ initOpenGL(void)
resetRenderState();
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy);
#ifndef RW_GLES2
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);