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Some GL cleanups

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This commit is contained in:
Themaister 2010-10-06 19:31:38 +02:00
parent cd6d6f6483
commit af7819e5cc
1 changed files with 25 additions and 11 deletions
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36
gl.c
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@ -186,23 +186,37 @@ static bool gl_frame(void *data, const uint16_t* frame, int width, int height)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, tex_filter);
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, frame);
glLoadIdentity();
glColor3f(1,1,1);
glBegin(GL_QUADS);
glColor4f(1, 1, 1, 1);
float h = 224.0/256.0;
glTexCoord2f(0, h*height/gl->real_y); glVertex3i(0, 0, 0);
glTexCoord2f(0, 0); glVertex3i(0, 1, 0);
glTexCoord2f((float)width/gl->real_x, 0); glVertex3i(1, 1, 0);
glTexCoord2f((float)width/gl->real_x, h*height/gl->real_y); glVertex3i(1, 0, 0);
GLfloat vertexes[] = {
0, 0, 0,
0, 1, 0,
1, 1, 0,
1, 0, 0
};
glEnd();
GLfloat tex_coords[] = {
0, h*height/gl->real_y,
0, 0,
(float)width/gl->real_x, 0,
(float)width/gl->real_x, h*height/gl->real_y
};
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), vertexes);
glTexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), tex_coords);
glDrawArrays(GL_QUADS, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
// Shows FPS in taskbar.
static int frames = 0;
@ -305,7 +319,7 @@ static void* gl_init(video_info_t *video, const input_driver_t **input)
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 256 * video->input_scale);
//glPixelStorei(GL_UNPACK_ROW_LENGTH, 256 * video->input_scale);
glTexImage2D(GL_TEXTURE_2D,
0, GL_RGB, 256 * video->input_scale, 256 * video->input_scale, 0, GL_BGRA,
GL_UNSIGNED_SHORT_1_5_5_5_REV, gl_buffer);