[Bf-blender-cvs] [6c951fbd348] blender2.8: GPU: use ifdef for flat shader
Campbell Barton
noreply at git.blender.org
Tue May 16 08:55:51 CEST 2017
Commit: 6c951fbd348f56decfa6682c8f490d5872eecb71
Author: Campbell Barton
Date: Tue May 16 16:57:26 2017 +1000
Branches: blender2.8
https://developer.blender.org/rB6c951fbd348f56decfa6682c8f490d5872eecb71
GPU: use ifdef for flat shader
===================================================================
M source/blender/gpu/CMakeLists.txt
M source/blender/gpu/intern/gpu_shader.c
D source/blender/gpu/shaders/gpu_shader_3D_normal_flat_color_vert.glsl
M source/blender/gpu/shaders/gpu_shader_3D_normal_smooth_color_vert.glsl
D source/blender/gpu/shaders/gpu_shader_simple_lighting_flat_color_frag.glsl
M source/blender/gpu/shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl
===================================================================
diff --git a/source/blender/gpu/CMakeLists.txt b/source/blender/gpu/CMakeLists.txt
index ece89dbde62..5d5ea179376 100644
--- a/source/blender/gpu/CMakeLists.txt
+++ b/source/blender/gpu/CMakeLists.txt
@@ -128,7 +128,6 @@ data_to_c_simple(shaders/gpu_shader_uniform_color_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_checker_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_diag_stripes_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_simple_lighting_frag.glsl SRC)
-data_to_c_simple(shaders/gpu_shader_simple_lighting_flat_color_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_simple_lighting_smooth_color_alpha_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_flat_color_frag.glsl SRC)
@@ -158,7 +157,6 @@ data_to_c_simple(shaders/gpu_shader_3D_flat_color_vert.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_line_dashed_legacy_vert.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_line_dashed_vert.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_smooth_color_vert.glsl SRC)
-data_to_c_simple(shaders/gpu_shader_3D_normal_flat_color_vert.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_normal_smooth_color_vert.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_smooth_color_frag.glsl SRC)
data_to_c_simple(shaders/gpu_shader_3D_passthrough_vert.glsl SRC)
diff --git a/source/blender/gpu/intern/gpu_shader.c b/source/blender/gpu/intern/gpu_shader.c
index de5bda3a0cb..d9228b42599 100644
--- a/source/blender/gpu/intern/gpu_shader.c
+++ b/source/blender/gpu/intern/gpu_shader.c
@@ -673,7 +673,8 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader)
datatoc_gpu_shader_edges_overlay_frag_glsl,
datatoc_gpu_shader_edges_overlay_geom_glsl },
[GPU_SHADER_SIMPLE_LIGHTING] = { datatoc_gpu_shader_3D_normal_vert_glsl, datatoc_gpu_shader_simple_lighting_frag_glsl },
- [GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR] = { datatoc_gpu_shader_3D_normal_flat_color_vert_glsl, datatoc_gpu_shader_simple_lighting_flat_color_frag_glsl },
+ /* Use 'USE_FLAT_NORMAL' to make flat shader from smooth */
+ [GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_frag_glsl },
[GPU_SHADER_SIMPLE_LIGHTING_SMOOTH_COLOR] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_frag_glsl },
[GPU_SHADER_SIMPLE_LIGHTING_SMOOTH_COLOR_ALPHA] = { datatoc_gpu_shader_3D_normal_smooth_color_vert_glsl, datatoc_gpu_shader_simple_lighting_smooth_color_alpha_frag_glsl },
@@ -806,6 +807,9 @@ GPUShader *GPU_shader_get_builtin_shader(GPUBuiltinShader shader)
case GPU_SHADER_3D_FLAT_COLOR_U32:
defines = "#define USE_COLOR_U32;\n";
break;
+ case GPU_SHADER_SIMPLE_LIGHTING_FLAT_COLOR:
+ defines = "#define USE_FLAT_NORMAL;\n";
+ break;
default:
break;
}
diff --git a/source/blender/gpu/shaders/gpu_shader_3D_normal_flat_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_3D_normal_flat_color_vert.glsl
deleted file mode 100644
index 8665cb795bc..00000000000
--- a/source/blender/gpu/shaders/gpu_shader_3D_normal_flat_color_vert.glsl
+++ /dev/null
@@ -1,26 +0,0 @@
-
-uniform mat4 ModelViewProjectionMatrix;
-uniform mat3 NormalMatrix;
-
-#if __VERSION__ == 120
- attribute vec3 pos;
- attribute vec3 nor;
- attribute vec4 color;
-
- flat varying vec4 finalColor;
- flat varying vec3 normal;
-#else
- in vec3 pos;
- in vec3 nor;
- in vec4 color;
-
- flat out vec3 normal;
- flat out vec4 finalColor;
-#endif
-
-void main()
-{
- normal = normalize(NormalMatrix * nor);
- gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
- finalColor = color;
-}
diff --git a/source/blender/gpu/shaders/gpu_shader_3D_normal_smooth_color_vert.glsl b/source/blender/gpu/shaders/gpu_shader_3D_normal_smooth_color_vert.glsl
index 9eacd10d69e..e29cfd5ab1c 100644
--- a/source/blender/gpu/shaders/gpu_shader_3D_normal_smooth_color_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_3D_normal_smooth_color_vert.glsl
@@ -7,15 +7,25 @@ uniform mat3 NormalMatrix;
attribute vec3 nor;
attribute vec4 color;
+# ifdef USE_FLAT_NORMAL
+ flat varying vec4 finalColor;
+ flat varying vec3 normal;
+# else
varying vec4 finalColor;
varying vec3 normal;
+# endif
#else
in vec3 pos;
in vec3 nor;
in vec4 color;
+# ifdef USE_FLAT_NORMAL
+ flat out vec3 normal;
+ flat out vec4 finalColor;
+# else
out vec3 normal;
out vec4 finalColor;
+# endif
#endif
void main()
diff --git a/source/blender/gpu/shaders/gpu_shader_simple_lighting_flat_color_frag.glsl b/source/blender/gpu/shaders/gpu_shader_simple_lighting_flat_color_frag.glsl
deleted file mode 100644
index d93d0532651..00000000000
--- a/source/blender/gpu/shaders/gpu_shader_simple_lighting_flat_color_frag.glsl
+++ /dev/null
@@ -1,17 +0,0 @@
-
-uniform vec3 light;
-
-#if __VERSION__ == 120
- flat varying vec3 normal;
- flat varying vec4 finalColor;
- #define fragColor gl_FragColor
-#else
- flat in vec3 normal;
- flat in vec4 finalColor;
- out vec4 fragColor;
-#endif
-
-void main()
-{
- fragColor = finalColor * max(0.0, dot(normalize(normal), light));
-}
diff --git a/source/blender/gpu/shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl b/source/blender/gpu/shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl
index 260539f76d7..e0d122aa57a 100644
--- a/source/blender/gpu/shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_simple_lighting_smooth_color_frag.glsl
@@ -2,12 +2,22 @@
uniform vec3 light;
#if __VERSION__ == 120
+# ifdef USE_FLAT_NORMAL
+ flat varying vec3 normal;
+ flat varying vec4 finalColor;
+# else
varying vec3 normal;
varying vec4 finalColor;
+# endif
#define fragColor gl_FragColor
#else
+# ifdef USE_FLAT_NORMAL
+ flat in vec3 normal;
+ flat in vec4 finalColor;
+# else
in vec3 normal;
in vec4 finalColor;
+# endif
out vec4 fragColor;
#endif
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