From cbc94ed8572cd4ea4e22ad5437b54eea055235d9 Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Sun, 17 Dec 2023 12:14:35 +0000 Subject: Use 32bit integer texture for position render data --- gfx/gl/sceneRenderer.cpp | 2 +- gfx/gl/shaders/directionalLight.fs | 6 +++--- gfx/gl/shaders/landmass.fs | 2 +- gfx/gl/shaders/material.fs | 2 +- gfx/gl/shaders/materialOut.glsl | 2 +- gfx/gl/shaders/pointLight.fs | 2 +- gfx/gl/shaders/spotLight.fs | 2 +- gfx/gl/shaders/water.fs | 2 +- test/test-render.cpp | 2 +- 9 files changed, 11 insertions(+), 11 deletions(-) diff --git a/gfx/gl/sceneRenderer.cpp b/gfx/gl/sceneRenderer.cpp index b88fb71..2854dea 100644 --- a/gfx/gl/sceneRenderer.cpp +++ b/gfx/gl/sceneRenderer.cpp @@ -38,7 +38,7 @@ SceneRenderer::SceneRenderer(ScreenAbsCoord s, GLuint o) : }; glBindFramebuffer(GL_FRAMEBUFFER, gBuffer); - configuregdata(gPosition, {GL_RGB32F}, GL_RGB, GL_COLOR_ATTACHMENT0); + configuregdata(gPosition, {GL_RGB32I}, GL_RGB_INTEGER, GL_COLOR_ATTACHMENT0); configuregdata(gNormal, {GL_RGB8_SNORM, GL_RGB16F}, GL_RGB, GL_COLOR_ATTACHMENT1); configuregdata(gAlbedoSpec, {GL_RGB8}, GL_RGB, GL_COLOR_ATTACHMENT2); constexpr std::array attachments { diff --git a/gfx/gl/shaders/directionalLight.fs b/gfx/gl/shaders/directionalLight.fs index ca10ef5..3756db7 100644 --- a/gfx/gl/shaders/directionalLight.fs +++ b/gfx/gl/shaders/directionalLight.fs @@ -7,7 +7,7 @@ out vec3 FragColor; in vec2 TexCoords; -layout(binding = 0) uniform sampler2D gPosition; +layout(binding = 0) uniform isampler2D gPosition; layout(binding = 1) uniform sampler2D gNormal; layout(binding = 2) uniform sampler2D shadowMap; @@ -27,7 +27,7 @@ insideShadowCube(vec3 v) } float -isShaded(vec3 Position) +isShaded(ivec3 Position) { for (uint m = 0u; m < lightViewProjectionCount; m++) { vec3 PositionInLightSpace = (lightViewProjection[m] * vec4(Position, 1.0f)).xyz; @@ -44,7 +44,7 @@ isShaded(vec3 Position) void main() { - const vec3 Position = texture(gPosition, TexCoords).xyz; + const ivec3 Position = texture(gPosition, TexCoords).xyz; const vec3 Normal = texture(gNormal, TexCoords).rgb; const float shaded = isShaded(Position); FragColor = (1 - shaded) * max(dot(-lightDirection, Normal) * lightColour, 0); diff --git a/gfx/gl/shaders/landmass.fs b/gfx/gl/shaders/landmass.fs index 9865d11..fc43bf2 100644 --- a/gfx/gl/shaders/landmass.fs +++ b/gfx/gl/shaders/landmass.fs @@ -60,7 +60,7 @@ main() } } - gPosition = vec4(FragPos, 1); + gPosition = ivec4(FragPos, 1); gNormal = vec4(Normal, 1); gAlbedoSpec = vec4(color, 1); } diff --git a/gfx/gl/shaders/material.fs b/gfx/gl/shaders/material.fs index 20fa8ab..5b93707 100644 --- a/gfx/gl/shaders/material.fs +++ b/gfx/gl/shaders/material.fs @@ -42,7 +42,7 @@ main() { vec4 textureColour = getTextureColour(Material, TexCoords); float opaque = step(0.5, mix(textureColour.a, 1, Colour.a)); - gPosition = vec4(FragPos, opaque); + gPosition = ivec4(FragPos, opaque); gNormal = vec4(Normal, opaque); gl_FragDepth = mix(1.0, gl_FragCoord.z, opaque); gAlbedoSpec = mix(textureColour, vec4(Colour.rgb, 1), Colour.a); diff --git a/gfx/gl/shaders/materialOut.glsl b/gfx/gl/shaders/materialOut.glsl index dc5f8e8..846825e 100644 --- a/gfx/gl/shaders/materialOut.glsl +++ b/gfx/gl/shaders/materialOut.glsl @@ -1,3 +1,3 @@ -layout(location = 0) out vec4 gPosition; +layout(location = 0) out ivec4 gPosition; layout(location = 1) out vec4 gNormal; layout(location = 2) out vec4 gAlbedoSpec; diff --git a/gfx/gl/shaders/pointLight.fs b/gfx/gl/shaders/pointLight.fs index 1a68df8..ba327b6 100644 --- a/gfx/gl/shaders/pointLight.fs +++ b/gfx/gl/shaders/pointLight.fs @@ -3,7 +3,7 @@ out vec3 FragColor; -layout(binding = 0) uniform sampler2D gPosition; +layout(binding = 0) uniform isampler2D gPosition; layout(binding = 1) uniform sampler2D gNormal; uniform ivec4 viewPort; uniform vec3 colour; diff --git a/gfx/gl/shaders/spotLight.fs b/gfx/gl/shaders/spotLight.fs index 78b8f72..937f922 100644 --- a/gfx/gl/shaders/spotLight.fs +++ b/gfx/gl/shaders/spotLight.fs @@ -3,7 +3,7 @@ out vec3 FragColor; -layout(binding = 0) uniform sampler2D gPosition; +layout(binding = 0) uniform isampler2D gPosition; layout(binding = 1) uniform sampler2D gNormal; uniform ivec4 viewPort; uniform vec3 colour; diff --git a/gfx/gl/shaders/water.fs b/gfx/gl/shaders/water.fs index 2ccc924..a0daa17 100644 --- a/gfx/gl/shaders/water.fs +++ b/gfx/gl/shaders/water.fs @@ -10,7 +10,7 @@ uniform vec3 waves; void main() { - gPosition = vec4(FragPos, 1); + gPosition = ivec4(FragPos, 1); gNormal = vec4(Normal, 1); gAlbedoSpec = texture(texture0, TexCoords); gAlbedoSpec.a *= clamp(-FragPos.z * .0007, .1, 1.0); diff --git a/test/test-render.cpp b/test/test-render.cpp index e2797a4..66b4d46 100644 --- a/test/test-render.cpp +++ b/test/test-render.cpp @@ -107,7 +107,7 @@ BOOST_AUTO_TEST_CASE(basic) { std::filesystem::create_directories(prefix); Texture::save(gAlbedoSpec, (prefix / "albedo.tga").c_str()); - Texture::save(gPosition, (prefix / "position.tga").c_str()); + Texture::savePosition(gPosition, (prefix / "position.tga").c_str()); Texture::saveNormal(gNormal, (prefix / "normal.tga").c_str()); Texture::save(gIllumination, (prefix / "illumination.tga").c_str()); } -- cgit v1.2.3