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Fix bloom with post_processing_texture_bits < 16

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This commit is contained in:
sfan5 2024-12-13 13:49:49 +01:00
parent 7354cbe463
commit eb8beb335e
3 changed files with 27 additions and 9 deletions
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19
src/client/render/pipeline.cpp
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@ -6,6 +6,7 @@
#include "client/client.h"
#include "client/hud.h"
#include "IRenderTarget.h"
#include "SColor.h"
#include <vector>
#include <memory>
@ -122,10 +123,19 @@ bool TextureBuffer::ensureTexture(video::ITexture **texture, const TextureDefini
if (!modify)
return false;
if (*texture)
if (*texture) {
m_driver->removeTexture(*texture);
*texture = nullptr;
}
if (definition.valid) {
if (!m_driver->queryTextureFormat(definition.format)) {
errorstream << "Failed to create texture \"" << definition.name
<< "\": unsupported format " << video::ColorFormatNames[definition.format]
<< std::endl;
return false;
}
if (definition.clear) {
// We're not able to clear a render target texture
// We're not able to create a normal texture with MSAA
@ -142,9 +152,12 @@ bool TextureBuffer::ensureTexture(video::ITexture **texture, const TextureDefini
} else {
*texture = m_driver->addRenderTargetTexture(size, definition.name.c_str(), definition.format);
}
if (!*texture) {
errorstream << "Failed to create texture \"" << definition.name
<< "\"" << std::endl;
return false;
}
else {
*texture = nullptr;
}
return true;

13
src/client/render/secondstage.cpp
View File

@ -165,6 +165,9 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
// Number of mipmap levels of the bloom downsampling texture
const u8 MIPMAP_LEVELS = 4;
// color_format can be a normalized integer format, but bloom requires
// values outside of [0,1] so this needs to be a different one.
const auto bloom_format = video::ECF_A16B16G16R16F;
// post-processing stage
@ -173,16 +176,16 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
// common downsampling step for bloom or autoexposure
if (enable_bloom || enable_auto_exposure) {
v2f downscale = scale * 0.5;
v2f downscale = scale * 0.5f;
for (u8 i = 0; i < MIPMAP_LEVELS; i++) {
buffer->setTexture(TEXTURE_SCALE_DOWN + i, downscale, std::string("downsample") + std::to_string(i), color_format);
buffer->setTexture(TEXTURE_SCALE_DOWN + i, downscale, std::string("downsample") + std::to_string(i), bloom_format);
if (enable_bloom)
buffer->setTexture(TEXTURE_SCALE_UP + i, downscale, std::string("upsample") + std::to_string(i), color_format);
downscale *= 0.5;
buffer->setTexture(TEXTURE_SCALE_UP + i, downscale, std::string("upsample") + std::to_string(i), bloom_format);
downscale *= 0.5f;
}
if (enable_bloom) {
buffer->setTexture(TEXTURE_BLOOM, scale, "bloom", color_format);
buffer->setTexture(TEXTURE_BLOOM, scale, "bloom", bloom_format);
// get bright spots
u32 shader_id = client->getShaderSource()->getShader("extract_bloom", TILE_MATERIAL_PLAIN, NDT_MESH);

2
src/defaultsettings.cpp
View File

@ -571,7 +571,9 @@ void set_default_settings()
// Note: OpenGL ES 2.0 is not guaranteed to provide depth textures,
// which we would need for PP.
settings->setDefault("enable_post_processing", "false");
// still set these two settings in case someone wants to enable it
settings->setDefault("debanding", "false");
settings->setDefault("post_processing_texture_bits", "8");
settings->setDefault("curl_verify_cert", "false");
// Apply settings according to screen size