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check() shader; fixes

This commit is contained in:
gazer 2015-12-12 00:59:52 +03:00
parent 96461c2f1b
commit 2ae058e1f7
1 changed files with 43 additions and 55 deletions
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98
src/dlangui/graphics/glsupport.d
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@ -31,12 +31,12 @@ import std.array;
derelict.util.exception.ShouldThrow gl3MissingSymFunc( string symName ) {
import std.algorithm : equal;
foreach(s; ["glGetError", "glShaderSource", "glCompileShader",
"glGetShaderiv", "glGetShaderInfoLog", "glGetString",
"glCreateProgram", "glUseProgram", "glDeleteProgram",
"glDeleteShader", "glEnable", "glDisable", "glBlendFunc",
"glUniformMatrix4fv", "glGetAttribLocation", "glGetUniformLocation",
"glGenVertexArrays", "glBindVertexArray", "glBufferData",
foreach(s; ["glGetError", "glShaderSource", "glCompileShader",
"glGetShaderiv", "glGetShaderInfoLog", "glGetString",
"glCreateProgram", "glUseProgram", "glDeleteProgram",
"glDeleteShader", "glEnable", "glDisable", "glBlendFunc",
"glUniformMatrix4fv", "glGetAttribLocation", "glGetUniformLocation",
"glGenVertexArrays", "glBindVertexArray", "glBufferData",
"glBindBuffer", "glBufferSubData"]) {
if (symName.equal(s)) // Symbol is used
return derelict.util.exception.ShouldThrow.Yes;
@ -74,7 +74,7 @@ static this() {
0x0507: "GL_CONTEXT_LOST"
];
}
/**
/**
* Convenient wrapper around glGetError()
* TODO use one of the DEBUG extensions instead
*/
@ -103,7 +103,7 @@ class GLProgram {
protected char[] glslversionString;
this() {
}
private void compatibilityFixes(ref char[] code, GLuint type) {
if (glslversionInt < 150) {
code = replace(code, " texture(", " texture2D(");
@ -111,7 +111,7 @@ class GLProgram {
code = replace(code, "out ", "");
}
}
private GLuint compileShader(string src, GLuint type) {
import core.stdc.stdlib;
import std.string;
@ -122,7 +122,7 @@ class GLProgram {
sourceCode ~= "\n";
sourceCode ~= src;
compatibilityFixes(sourceCode, type);
Log.d("compileShader glsl=", glslversion, " type:", (type == GL_VERTEX_SHADER ? "GL_VERTEX_SHADER" : (type == GL_FRAGMENT_SHADER ? "GL_FRAGMENT_SHADER" : "UNKNOWN")), " code:\n", sourceCode);
GLuint shader = glCreateShader(type);
const char * psrc = sourceCode.toStringz;
@ -134,15 +134,15 @@ class GLProgram {
// compiled successfully
return shader;
} else {
GLint blen = 0;
GLint blen = 0;
GLsizei slen = 0;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH , &blen);
glGetShaderiv(shader, GL_INFO_LOG_LENGTH , &blen);
if (blen > 1)
{
GLchar[] msg = new GLchar[blen + 1];
glGetShaderInfoLog(shader, blen, &slen, msg.ptr);
Log.d("Shader compilation error: ", fromStringz(msg.ptr));
}
}
return 0;
}
}
@ -260,12 +260,22 @@ class SolidFillProgram : GLProgram {
};
}
bool check()
{
if (error)
return false;
if (!initialized)
if (!compile())
return false;
return true;
}
void beforeExecute() {
glEnable(GL_BLEND);
glDisable(GL_CULL_FACE);
checkError("glDisable(GL_CULL_FACE)");
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
checkError("glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)");
bind();
//glUniformMatrix4fv(matrixLocation, 1, false, m.value_ptr);
@ -281,18 +291,9 @@ class SolidFillProgram : GLProgram {
protected GLint matrixLocation;
protected GLint vertexLocation;
protected GLint colAttrLocation;
protected GLuint vertexBuffer;
protected GLuint colAttrBuffer;
override bool initLocations() {
bool res = super.initLocations();
//glGenBuffers(1, &vertexBuffer);
//glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
//glBufferData(GL_ARRAY_BUFFER, float.sizeof * 3 * 6, null, GL_DYNAMIC_DRAW);
//glGenBuffers(1, &colAttrBuffer);
//glBindBuffer(GL_ARRAY_BUFFER, colAttrBuffer);
//glBufferData(GL_ARRAY_BUFFER, float.sizeof * 4 * 6, null, GL_DYNAMIC_DRAW);
matrixLocation = glGetUniformLocation(program, "matrix");
checkError("glGetUniformLocation matrix");
if (matrixLocation == -1)
@ -309,11 +310,8 @@ class SolidFillProgram : GLProgram {
}
bool execute(float[] vertices, float[] colors) {
if (error)
if(!check())
return false;
if (!initialized)
if (!compile())
return false;
beforeExecute();
GLuint vao;
@ -369,11 +367,8 @@ class SolidFillProgram : GLProgram {
class LineProgram : SolidFillProgram {
override bool execute(float[] vertices, float[] colors) {
if (error)
if(!check())
return false;
if (!initialized)
if (!compile())
return false;
beforeExecute();
GLuint vao;
@ -396,7 +391,7 @@ class LineProgram : SolidFillProgram {
glBufferSubData(
GL_ARRAY_BUFFER,
vertices.length * vertices[0].sizeof,
colors.length * colors[0].sizeof,
colors.length * colors[0].sizeof,
colors.ptr);
glEnableVertexAttribArray(vertexLocation);
@ -467,11 +462,8 @@ class TextureProgram : SolidFillProgram {
}
bool execute(float[] vertices, float[] texcoords, float[] colors, uint textureId, bool linear) {
if (error)
if(!check())
return false;
if (!initialized)
if (!compile())
return false;
beforeExecute();
glActiveTexture(GL_TEXTURE0);
checkError("glActiveTexture GL_TEXTURE0");
@ -600,11 +592,8 @@ class FontProgram : SolidFillProgram {
}
bool execute(float[] vertices, float[] texcoords, float[] colors, uint textureId, bool linear) {
if (error)
if(!check())
return false;
if (!initialized)
if (!compile())
return false;
beforeExecute();
glActiveTexture(GL_TEXTURE0);
checkError("glActiveTexture GL_TEXTURE0");
@ -847,10 +836,10 @@ class GLSupport {
checkError("glVertexPointer(3, GL_FLOAT, 0, vertices)");
glColorPointer(4, GL_FLOAT, 0, cast(void*)colors);
checkError("glColorPointer(4, GL_FLOAT, 0, colors)");
glDrawArrays(GL_TRIANGLES, 0, 6);
checkError("glDrawArrays(GL_TRIANGLES, 0, 6)");
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_ALPHA_TEST);
@ -887,7 +876,7 @@ class GLSupport {
float srcy0 = srcy / cast(float)tdy;
float srcx1 = (srcx + srcdx) / cast(float)tdx;
float srcy1 = (srcy + srcdy) / cast(float)tdy;
float[3 * 6] vertices =
float[3 * 6] vertices =
[dstx0, dsty0, Z_2D,
dstx0, dsty1, Z_2D,
dstx1, dsty1, Z_2D,
@ -909,14 +898,14 @@ class GLSupport {
checkError("drawColorAndTextureRect - glTexParameteri");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, linear ? GL_LINEAR : GL_NEAREST);
checkError("drawColorAndTextureRect - glTexParameteri");
glColor4f(1,1,1,1);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
checkError("glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)");
glEnableClientState(GL_COLOR_ARRAY);
checkError("glEnableClientState(GL_COLOR_ARRAY)");
glEnableClientState(GL_VERTEX_ARRAY);
@ -929,10 +918,10 @@ class GLSupport {
checkError("glTexCoordPointer(2, GL_FLOAT, 0, texcoords)");
glColorPointer(4, GL_FLOAT, 0, cast(void*)colors.ptr);
checkError("glColorPointer(4, GL_FLOAT, 0, colors)");
glDrawArrays(GL_TRIANGLES, 0, 6);
checkError("glDrawArrays");
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
@ -988,14 +977,14 @@ class GLSupport {
checkError("drawColorAndTextureRect - glTexParameteri");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, linear ? GL_LINEAR : GL_NEAREST);
checkError("drawColorAndTextureRect - glTexParameteri");
glColor4f(1,1,1,1);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
checkError("glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)");
glEnableClientState(GL_COLOR_ARRAY);
checkError("glEnableClientState(GL_COLOR_ARRAY)");
glEnableClientState(GL_VERTEX_ARRAY);
@ -1008,10 +997,10 @@ class GLSupport {
checkError("glTexCoordPointer(2, GL_FLOAT, 0, texcoords)");
glColorPointer(4, GL_FLOAT, 0, cast(void*)colors.ptr);
checkError("glColorPointer(4, GL_FLOAT, 0, colors)");
glDrawArrays(GL_TRIANGLES, 0, 6);
checkError("glDrawArrays");
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
@ -1121,10 +1110,9 @@ class GLSupport {
private uint currentFramebufferId;
/// returns texture ID for buffer, 0 if failed
bool createFramebuffer(ref uint textureId, ref uint framebufferId, int dx, int dy) {
bool createFramebuffer(out uint textureId, out uint framebufferId, int dx, int dy) {
checkError("before createFramebuffer");
bool res = true;
textureId = framebufferId = 0;
textureId = genTexture();
if (!textureId)
return false;