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OGL: draw shadows within rasterfont itself

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This commit is contained in:
degasus
2014-12-20 13:31:41 +01:00
parent fb177ca04e
commit 3f9b52e555
5 changed files with 12 additions and 13 deletions
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18
Source/Core/VideoBackends/OGL/RasterFont.cpp
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@ -118,11 +118,12 @@ static const u8 rasters[CHAR_COUNT][CHAR_HEIGHT] = {
static const char *s_vertexShaderSrc =
"uniform vec2 charSize;\n"
"uniform vec2 offset;"
"in vec2 rawpos;\n"
"in vec2 tex0;\n"
"out vec2 uv0;\n"
"void main(void) {\n"
" gl_Position = vec4(rawpos,0,1);\n"
" gl_Position = vec4(rawpos + offset,0,1);\n"
" uv0 = tex0 * charSize;\n"
"}\n";
@ -166,7 +167,8 @@ RasterFont::RasterFont()
glUniform2f(glGetUniformLocation(s_shader.glprogid,"charSize"), 1.0f / GLfloat(CHAR_COUNT), 1.0f);
uniform_color_id = glGetUniformLocation(s_shader.glprogid,"color");
glUniform4f(uniform_color_id, 1.0f, 1.0f, 1.0f, 1.0f);
cached_color = -1;
uniform_offset_id = glGetUniformLocation(s_shader.glprogid, "offset");
glUniform2f(uniform_offset_id, 0.0f, 0.0f);
// generate VBO & VAO
glGenBuffers(1, &VBO);
@ -263,13 +265,13 @@ void RasterFont::printMultilineText(const std::string& text, double start_x, dou
s_shader.Bind();
if (color != cached_color)
{
glUniform4f(uniform_color_id, GLfloat((color>>16)&0xff)/255.f,GLfloat((color>>8)&0xff)/255.f,GLfloat((color>>0)&0xff)/255.f,GLfloat((color>>24)&0xff)/255.f);
cached_color = color;
}
// shadows
glUniform2f(uniform_offset_id, 2.0f / GLfloat(bbWidth), -2.0f / GLfloat(bbHeight));
glUniform4f(uniform_color_id, 0.0f, 0.0f, 0.0f, GLfloat((color>>24)&0xff)/255.f);
glDrawArrays(GL_TRIANGLES, 0, usage/4);
glActiveTexture(GL_TEXTURE0+8);
glUniform2f(uniform_offset_id, 0.0f, 0.0f);
glUniform4f(uniform_color_id, GLfloat((color>>16)&0xff)/255.f,GLfloat((color>>8)&0xff)/255.f,GLfloat((color>>0)&0xff)/255.f,GLfloat((color>>24)&0xff)/255.f);
glDrawArrays(GL_TRIANGLES, 0, usage/4);
}