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Implement support for GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB and GL_COMPRESSED_TEXTURE_FORMATS_ARB

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This commit is contained in:
Luke Benstead 2018-08-07 20:46:26 +01:00
parent b6cab2f0ca
commit c40d3a007d
1 changed files with 21 additions and 0 deletions
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21
GL/state.c
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@ -6,6 +6,7 @@
#include <dc/video.h> #include <dc/video.h>
#include "../include/gl.h" #include "../include/gl.h"
#include "../include/glext.h"
#include "../include/glkos.h" #include "../include/glkos.h"
#include "private.h" #include "private.h"
@ -417,6 +418,17 @@ GLboolean APIENTRY glIsEnabled(GLenum cap) {
return GL_FALSE; return GL_FALSE;
} }
static GLenum COMPRESSED_FORMATS [] = {
GL_COMPRESSED_ARGB_1555_VQ_KOS,
GL_COMPRESSED_ARGB_1555_VQ_TWID_KOS,
GL_COMPRESSED_ARGB_4444_VQ_KOS,
GL_COMPRESSED_ARGB_4444_VQ_TWID_KOS,
GL_COMPRESSED_RGB_565_VQ_KOS,
GL_COMPRESSED_RGB_565_VQ_TWID_KOS
};
static GLint NUM_COMPRESSED_FORMATS = sizeof(COMPRESSED_FORMATS) / sizeof(GLenum);
void APIENTRY glGetIntegerv(GLenum pname, GLint *params) { void APIENTRY glGetIntegerv(GLenum pname, GLint *params) {
switch(pname) { switch(pname) {
case GL_MAX_LIGHTS: case GL_MAX_LIGHTS:
@ -437,6 +449,15 @@ void APIENTRY glGetIntegerv(GLenum pname, GLint *params) {
case GL_MAX_TEXTURE_SIZE: case GL_MAX_TEXTURE_SIZE:
*params = MAX_TEXTURE_SIZE; *params = MAX_TEXTURE_SIZE;
break; break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
*params = NUM_COMPRESSED_FORMATS;
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB: {
GLuint i = 0;
for(; i < NUM_COMPRESSED_FORMATS; ++i) {
params[i] = COMPRESSED_FORMATS[i];
}
} break;
default: default:
_glKosThrowError(GL_INVALID_ENUM, "glGetIntegerv"); _glKosThrowError(GL_INVALID_ENUM, "glGetIntegerv");
_glKosPrintError(); _glKosPrintError();