libretro/ppsspp
1
0
Fork 0
mirror of https://github.com/libretro/ppsspp.git synced 2025-02-10 02:53:06 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add some lowp annotations to the vertex shader

Browse Source
This commit is contained in:
Henrik Rydgard 2013-03-03 23:57:29 +01:00
parent 7dc75d87b5
commit fcfea6343a
1 changed files with 24 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
GPU/GLES/VertexShaderGenerator.cpp
View File

@ -133,6 +133,13 @@ void GenerateVertexShader(int prim, char *buffer) {
WRITE(p, "precision highp float;\n");
#elif !defined(FORCE_OPENGL_2_0)
WRITE(p, "#version 110\n");
// Remove lowp/mediump in non-mobile implementations
WRITE(p, "#define lowp\n");
WRITE(p, "#define mediump\n");
#else
// Need to remove lowp/mediump for Mac
WRITE(p, "#define lowp\n");
WRITE(p, "#define mediump\n");
#endif
int lmode = (gstate.lmode & 1) && (gstate.lightingEnable & 1);
@ -169,13 +176,13 @@ void GenerateVertexShader(int prim, char *buffer) {
if (doTexture) WRITE(p, "attribute vec2 a_texcoord;\n");
if (hasColor) {
WRITE(p, "attribute vec4 a_color0;\n");
WRITE(p, "attribute lowp vec4 a_color0;\n");
if (lmode && !hwXForm) // only software transform supplies color1 as vertex data
WRITE(p, "attribute vec3 a_color1;\n");
WRITE(p, "attribute lowp vec3 a_color1;\n");
}
if (hwXForm && hasNormal)
WRITE(p, "attribute vec3 a_normal;\n");
WRITE(p, "attribute mediump vec3 a_normal;\n");
if (gstate.isModeThrough()) {
WRITE(p, "uniform mat4 u_proj_through;\n");
@ -185,7 +192,7 @@ void GenerateVertexShader(int prim, char *buffer) {
}
if (hwXForm || !hasColor)
WRITE(p, "uniform vec4 u_matambientalpha;\n"); // matambient + matalpha
WRITE(p, "uniform lowp vec4 u_matambientalpha;\n"); // matambient + matalpha
if (enableFog) {
WRITE(p, "uniform vec2 u_fogcoef;\n");
@ -206,12 +213,12 @@ void GenerateVertexShader(int prim, char *buffer) {
}
}
if (gstate.lightingEnable & 1) {
WRITE(p, "uniform vec4 u_ambient;\n");
WRITE(p, "uniform lowp vec4 u_ambient;\n");
if ((gstate.materialupdate & 2) == 0)
WRITE(p, "uniform vec3 u_matdiffuse;\n");
WRITE(p, "uniform lowp vec3 u_matdiffuse;\n");
// if ((gstate.materialupdate & 4) == 0)
WRITE(p, "uniform vec4 u_matspecular;\n"); // Specular coef is contained in alpha
WRITE(p, "uniform vec3 u_matemissive;\n");
WRITE(p, "uniform lowp vec4 u_matspecular;\n"); // Specular coef is contained in alpha
WRITE(p, "uniform lowp vec3 u_matemissive;\n");
}
for (int i = 0; i < 4; i++) {
if (doLight[i] != LIGHT_OFF) {
@ -222,15 +229,15 @@ void GenerateVertexShader(int prim, char *buffer) {
}
if (doLight[i] == LIGHT_FULL) {
// These are needed for the full thing
WRITE(p, "uniform vec3 u_lightambient%i;\n", i);
WRITE(p, "uniform vec3 u_lightdiffuse%i;\n", i);
WRITE(p, "uniform vec3 u_lightspecular%i;\n", i);
WRITE(p, "uniform lowp vec3 u_lightambient%i;\n", i);
WRITE(p, "uniform lowp vec3 u_lightdiffuse%i;\n", i);
WRITE(p, "uniform lowp vec3 u_lightspecular%i;\n", i);
}
}
}
WRITE(p, "varying vec4 v_color0;\n");
if (lmode) WRITE(p, "varying vec3 v_color1;\n");
WRITE(p, "varying lowp vec4 v_color0;\n");
if (lmode) WRITE(p, "varying lowp vec3 v_color1;\n");
if (doTexture) WRITE(p, "varying vec2 v_texcoord;\n");
if (enableFog) WRITE(p, "varying float v_fogdepth;\n");
@ -290,9 +297,9 @@ void GenerateVertexShader(int prim, char *buffer) {
// Step 2: Color/Lighting
if (hasColor) {
WRITE(p, " vec3 unlitColor = a_color0.rgb;\n");
WRITE(p, " lowp vec3 unlitColor = a_color0.rgb;\n");
} else {
WRITE(p, " vec3 unlitColor = vec3(1.0, 1.0, 1.0);\n");
WRITE(p, " lowp vec3 unlitColor = vec3(1.0, 1.0, 1.0);\n");
}
// TODO: Declare variables for dots for shade mapping if needed.
@ -301,8 +308,8 @@ void GenerateVertexShader(int prim, char *buffer) {
const char *specular = (gstate.materialupdate & 4) ? "unlitColor" : "u_matspecular.rgb";
if (gstate.lightingEnable & 1) {
WRITE(p, " vec4 lightSum0 = u_ambient * %s + vec4(u_matemissive, 0.0);\n", ambient);
WRITE(p, " vec3 lightSum1 = vec3(0.0);\n");
WRITE(p, " lowp vec4 lightSum0 = u_ambient * %s + vec4(u_matemissive, 0.0);\n", ambient);
WRITE(p, " lowp vec3 lightSum1 = vec3(0.0);\n");
}
// Calculate lights if needed. If shade mapping is enabled, lights may need to be