Import aap/librw @ masterHEADmaster

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).

1 files changed, 69 insertions, 0 deletions

diff --git a/src/gl/shaders/matfx_gl.inc b/src/gl/shaders/matfx_gl.inc
new file mode 100644
index 0000000..a1dcaf8
--- /dev/null
+++ b/src/gl/shaders/matfx_gl.inc
@@ -0,0 +1,69 @@
+const char *matfx_env_vert_src =
+"uniform mat4 u_texMatrix;\n"
+"uniform vec4 u_colorClamp;\n"
+"uniform vec4 u_envColor;\n"
+
+"VSIN(ATTRIB_POS)	vec3 in_pos;\n"
+
+"VSOUT vec4 v_color;\n"
+"VSOUT vec4 v_envColor;\n"
+"VSOUT vec2 v_tex0;\n"
+"VSOUT vec2 v_tex1;\n"
+"VSOUT float v_fog;\n"
+
+"void\n"
+"main(void)\n"
+"{\n"
+"	vec4 Vertex = u_world * vec4(in_pos, 1.0);\n"
+"	gl_Position = u_proj * u_view * Vertex;\n"
+"	vec3 Normal = mat3(u_world) * in_normal;\n"
+
+"	v_tex0 = in_tex0;\n"
+"	v_tex1 = (u_texMatrix * vec4(Normal, 1.0)).xy;\n"
+
+"	v_color = in_color;\n"
+"	v_color.rgb += u_ambLight.rgb*surfAmbient;\n"
+"	v_color.rgb += DoDynamicLight(Vertex.xyz, Normal)*surfDiffuse;\n"
+"	v_color = clamp(v_color, 0.0, 1.0);\n"
+"	v_envColor = max(v_color, u_colorClamp) * u_envColor;\n"
+"	v_color *= u_matColor;\n"
+
+"	v_fog = DoFog(gl_Position.w);\n"
+"}\n"
+;
+const char *matfx_env_frag_src =
+"uniform sampler2D tex0;\n"
+"uniform sampler2D tex1;\n"
+
+"uniform vec4 u_fxparams;\n"
+
+"#define shininess (u_fxparams.x)\n"
+"#define disableFBA (u_fxparams.y)\n"
+
+"FSIN vec4 v_color;\n"
+"FSIN vec4 v_envColor;\n"
+"FSIN vec2 v_tex0;\n"
+"FSIN vec2 v_tex1;\n"
+"FSIN float v_fog;\n"
+
+"void\n"
+"main(void)\n"
+"{\n"
+"	vec4 pass1 = v_color;\n"
+"	pass1 *= texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));\n"
+
+"	vec4 pass2 = v_envColor*shininess*texture(tex1, vec2(v_tex1.x, 1.0-v_tex1.y));\n"
+
+"	pass1.rgb = mix(u_fogColor.rgb, pass1.rgb, v_fog);\n"
+"	pass2.rgb = mix(vec3(0.0, 0.0, 0.0), pass2.rgb, v_fog);\n"
+
+"	float fba = max(pass1.a, disableFBA);\n"
+"	vec4 color;\n"
+"	color.rgb = pass1.rgb*pass1.a + pass2.rgb*fba;\n"
+"	color.a = pass1.a;\n"
+
+"	DoAlphaTest(color.a);\n"
+
+"	FRAGCOLOR(color);\n"
+"}\n"
+;