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Hard-code internal noise texture format for GL Core profiles

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glGetInternalformativ() also is an addition in OpenGL Core 4.2, which we don't officially support.
This commit is contained in:
Kai Blaschke
2024-05-13 17:55:26 +02:00
parent c30109fb75
commit 9aa8bcb1fe
1 changed files with 3 additions and 12 deletions
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15
src/libprojectM/Renderer/MilkdropNoise.cpp
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@ -5,11 +5,6 @@
#include <chrono>
#include <random>
// Missing in macOS SDK. Query will most certainly fail, but then use the default format.
#ifndef GL_TEXTURE_IMAGE_FORMAT
#define GL_TEXTURE_IMAGE_FORMAT 0x828F
#endif
namespace libprojectM {
namespace Renderer {
@ -103,16 +98,12 @@ auto MilkdropNoise::HighQualityVolume() -> std::shared_ptr<Texture>
auto MilkdropNoise::GetPreferredInternalFormat() -> int
{
#ifndef USE_GLES
// Query preferred internal texture format. GLES 3 only supports GL_RENDERBUFFER here, no texture targets.
// That's why we use GL_BGRA as default, as this is the best general-use format according to Khronos.
GLint preferredInternalFormat{GL_BGRA};
glGetInternalformativ(GL_TEXTURE_2D, GL_RGBA8, GL_TEXTURE_IMAGE_FORMAT, sizeof(preferredInternalFormat), &preferredInternalFormat);
// We use GL_BGRA, as this is the best general-use format according to Khronos.
return GL_BGRA;
#else
// GLES only supports GL_RGB and GL_RGBA, so we always use the latter.
GLint preferredInternalFormat{GL_RGBA};
return GL_RGBA;
#endif
return preferredInternalFormat;
}
auto MilkdropNoise::generate2D(int size, int zoomFactor) -> std::vector<uint32_t>