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authorLaG1924 <lag1924@gmail.com>2021-12-11 18:11:31 +0100
committerLaG1924 <lag1924@gmail.com>2021-12-11 18:11:31 +0100
commit9202a3cab793a239a084414e4dddc7759f479fc2 (patch)
tree8e19c4f8d3d4ebfb0cd8ba8b80efb887707e24b0 /src
parentMore optimization to GBuffer size (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/Gal.hpp3
-rw-r--r--src/GalOgl.cpp30
-rw-r--r--src/RenderConfigs.cpp19
3 files changed, 42 insertions, 10 deletions
diff --git a/src/Gal.hpp b/src/Gal.hpp
index 0aa61c7..ed0b559 100644
--- a/src/Gal.hpp
+++ b/src/Gal.hpp
@@ -61,7 +61,10 @@ namespace Gal {
enum class Format {
D24S8,
+ R8,
+ R8G8,
R8G8B8,
+ R8G8B8SN,
R8G8B8A8,
R32G32B32A32F,
};
diff --git a/src/GalOgl.cpp b/src/GalOgl.cpp
index 94c2146..b046d4b 100644
--- a/src/GalOgl.cpp
+++ b/src/GalOgl.cpp
@@ -358,8 +358,14 @@ size_t GalFormatGetSize(Format format) {
switch (format) {
case Format::D24S8:
return 4;
+ case Format::R8:
+ return 1;
+ case Format::R8G8:
+ return 2;
case Format::R8G8B8:
return 3;
+ case Format::R8G8B8SN:
+ return 3;
case Format::R8G8B8A8:
return 4;
case Format::R32G32B32A32F:
@@ -374,8 +380,14 @@ GLenum GalFormatGetGlLinearInternalFormat(Format format) {
switch (format) {
case Format::D24S8:
return GL_DEPTH24_STENCIL8;
+ case Format::R8:
+ return GL_R8;
+ case Format::R8G8:
+ return GL_RG8;
case Format::R8G8B8:
return GL_RGB8;
+ case Format::R8G8B8SN:
+ return GL_RGB8_SNORM;
case Format::R8G8B8A8:
return GL_RGBA8;
case Format::R32G32B32A32F:
@@ -390,8 +402,14 @@ GLenum GalFormatGetGlInternalFormat(Format format) {
switch (format) {
case Format::D24S8:
return 0;
+ case Format::R8:
+ return 0;
+ case Format::R8G8:
+ return 0;
case Format::R8G8B8:
return GL_SRGB;
+ case Format::R8G8B8SN:
+ return 0;
case Format::R8G8B8A8:
return GL_SRGB_ALPHA;
case Format::R32G32B32A32F:
@@ -406,8 +424,14 @@ GLenum GalFormatGetGlFormat(Format format) {
switch (format) {
case Format::D24S8:
return GL_DEPTH_STENCIL;
+ case Format::R8:
+ return GL_RED;
+ case Format::R8G8:
+ return GL_RG;
case Format::R8G8B8:
return GL_RGB;
+ case Format::R8G8B8SN:
+ return GL_RGB;
case Format::R8G8B8A8:
return GL_RGBA;
case Format::R32G32B32A32F:
@@ -422,8 +446,14 @@ GLenum GalFormatGetGlType(Format format) {
switch (format) {
case Format::D24S8:
return GL_UNSIGNED_INT_24_8;
+ case Format::R8:
+ return GL_UNSIGNED_BYTE;
+ case Format::R8G8:
+ return GL_UNSIGNED_BYTE;
case Format::R8G8B8:
return GL_UNSIGNED_BYTE;
+ case Format::R8G8B8SN:
+ return GL_BYTE;
case Format::R8G8B8A8:
return GL_UNSIGNED_BYTE;
case Format::R32G32B32A32F:
diff --git a/src/RenderConfigs.cpp b/src/RenderConfigs.cpp
index 8cc4ee1..43342bb 100644
--- a/src/RenderConfigs.cpp
+++ b/src/RenderConfigs.cpp
@@ -178,12 +178,12 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
colorConf->SetMaxFilter(Gal::Filtering::Bilinear);
color = gal->BuildTexture(colorConf);
- auto normalConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R32G32B32A32F);
+ auto normalConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R8G8B8SN);
normalConf->SetMinFilter(Gal::Filtering::Bilinear);
normalConf->SetMaxFilter(Gal::Filtering::Bilinear);
normal = gal->BuildTexture(normalConf);
- auto lightConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R8G8B8);
+ auto lightConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R8G8);
lightConf->SetMinFilter(Gal::Filtering::Bilinear);
lightConf->SetMaxFilter(Gal::Filtering::Bilinear);
light = gal->BuildTexture(lightConf);
@@ -203,7 +203,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
geomFramebuffer->SetViewport(0, 0, geomW, geomH);
if (ssaoSamples > 0) {
- auto noiseConf = gal->CreateTexture2DConfig(4, 4, Gal::Format::R32G32B32A32F);
+ auto noiseConf = gal->CreateTexture2DConfig(4, 4, Gal::Format::R8G8B8SN);
noiseConf->SetWrapping(Gal::Wrapping::Repeat);
noiseConf->SetMinFilter(Gal::Filtering::Bilinear);
noiseConf->SetMaxFilter(Gal::Filtering::Bilinear);
@@ -211,12 +211,11 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());
std::uniform_real_distribution<> dis(-1.0f, 1.0f);
- std::vector<glm::vec4> noiseTexData(16);
+ std::vector<glm::i8vec3> noiseTexData(16);
for (auto& vec : noiseTexData) {
- vec.x = dis(rng);
- vec.y = dis(rng);
+ vec.x = static_cast<int8_t>(dis(rng) * 128.0f);
+ vec.y = static_cast<int8_t>(dis(rng) * 128.0f);
vec.z = 0.0f;
- vec.w = 0.0f;
}
ssaoNoise->SetData({ reinterpret_cast<std::byte*>(noiseTexData.data()), reinterpret_cast<std::byte*>(noiseTexData.data() + noiseTexData.size()) });
@@ -235,7 +234,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
ssaoParameters,
ssaoW,
ssaoH,
- Gal::Format::R8G8B8A8,
+ Gal::Format::R8,
Gal::Filtering::Bilinear);
ssaoPass->SetShaderParameter("ssaoSamples", ssaoSamples);
@@ -253,7 +252,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
ssaoBlurParameters,
ssaoW,
ssaoH,
- Gal::Format::R8G8B8A8,
+ Gal::Format::R8,
Gal::Filtering::Bilinear);
ssaoBlurPass->SetShaderParameter("blurScale", 2);
@@ -279,7 +278,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH, int s
lightingParameters,
lightW,
lightH,
- Gal::Format::R8G8B8A8,
+ Gal::Format::R8G8B8,
Gal::Filtering::Bilinear);
lightingPass->SetShaderParameter("applySsao", ssaoSamples);