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New params, but is broken for now.

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This commit is contained in:
Themaister 2011-03-14 23:20:51 +01:00
parent e2daab9ce9
commit 9dd05b7101
1 changed files with 54 additions and 28 deletions
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82
gfx/gl.c
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@ -112,14 +112,10 @@ typedef struct gl
GLuint fbo[MAX_SHADERS];
GLuint fbo_texture[MAX_SHADERS];
struct gl_fbo_rect fbo_rect[MAX_SHADERS];
struct gl_fbo_scale fbo_scale[MAX_SHADERS];
bool render_to_tex;
unsigned fbo_width;
unsigned fbo_height;
int fbo_pass;
bool fbo_inited;
bool fbo_tex_filter;
double fbo_scale_x;
double fbo_scale_y;
bool should_resize;
bool quitting;
@ -324,21 +320,51 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
float scale_x = g_settings.video.fbo_scale_x;
float scale_y = g_settings.video.fbo_scale_y;
unsigned xscale = next_pow2(ceil(scale_x));
unsigned yscale = next_pow2(ceil(scale_y));
SSNES_LOG("Internal FBO scale: (%u, %u)\n", xscale, yscale);
unsigned pow2_x_scale = next_pow2(ceil(scale_x));
unsigned pow2_y_scale = next_pow2(ceil(scale_y));
gl->fbo_width = width * xscale;
gl->fbo_height = height * yscale;
gl->fbo_scale_x = scale_x;
gl->fbo_scale_y = scale_y;
gl->fbo_rect[0].width = width * pow2_x_scale;
gl->fbo_rect[0].height = height * pow2_y_scale;
gl->fbo_scale[0].scale_x = scale_x;
gl->fbo_scale[0].scale_y = scale_y;
gl->fbo_pass = gl_shader_num() - 1;
struct gl_fbo_scale scale;
gl_shader_scale(gl_shader_num(), &scale);
if (scale.valid)
gl->fbo_pass++;
if (gl->fbo_pass <= 0)
gl->fbo_pass = 1;
for (int i = 0; i < gl->fbo_pass; i++)
{
gl_shader_scale(i + 1, &gl->fbo_scale[i]);
if (gl->fbo_scale[i].valid)
{
unsigned _pow2_x_scale = next_pow2(ceil(gl->fbo_scale[i].scale_x));
unsigned _pow2_y_scale = next_pow2(ceil(gl->fbo_scale[i].scale_y));
gl->fbo_rect[i].width = width * _pow2_x_scale;
gl->fbo_rect[i].height = height * _pow2_y_scale;
scale_x = gl->fbo_scale[i].scale_x;
scale_y = gl->fbo_scale[i].scale_y;
pow2_x_scale = _pow2_x_scale;
pow2_y_scale = _pow2_y_scale;
}
else
{
// Use previous values, essentially a 1x scale compared to last shader in chain.
gl->fbo_scale[i].scale_x = scale_x;
gl->fbo_scale[i].scale_y = scale_y;
gl->fbo_rect[i].width = width * pow2_x_scale;
gl->fbo_rect[i].height = height * pow2_x_scale;
}
}
glGenTextures(gl->fbo_pass, gl->fbo_texture);
void *tmp = calloc(gl->fbo_width * gl->fbo_height, sizeof(uint32_t));
GLuint base_filt = g_settings.video.second_pass_smooth ? GL_LINEAR : GL_NEAREST;
for (int i = 0; i < gl->fbo_pass; i++)
@ -356,11 +382,10 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter_type);
glTexImage2D(GL_TEXTURE_2D,
0, GL_RGBA, gl->fbo_width, gl->fbo_height, 0, GL_RGBA,
GL_UNSIGNED_INT_8_8_8_8, tmp);
0, GL_RGBA, gl->fbo_rect[i].width, gl->fbo_rect[i].height, 0, GL_RGBA,
GL_UNSIGNED_INT_8_8_8_8, NULL);
}
free(tmp);
glBindTexture(GL_TEXTURE_2D, 0);
pglGenFramebuffers(gl->fbo_pass, gl->fbo);
@ -375,7 +400,6 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
}
gl->fbo_inited = true;
SSNES_LOG("Set up FBO @ %ux%u\n", gl->fbo_width, gl->fbo_height);
return;
error:
@ -550,7 +574,7 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
glBindTexture(GL_TEXTURE_2D, gl->texture);
pglBindFramebuffer(GL_FRAMEBUFFER, gl->fbo[0]);
gl->render_to_tex = true;
set_viewport(gl, width * gl->fbo_scale_x, height * gl->fbo_scale_y, true);
set_viewport(gl, width * gl->fbo_scale[0].scale_x, height * gl->fbo_scale[0].scale_y, true);
}
if (gl->should_resize)
{
@ -597,24 +621,26 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
if (gl->fbo_inited)
{
// Render the rest of our passes. TODO: Proper params and don't assume 1x scale for the interim passes.
// Render the rest of our passes.
glTexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), gl->fbo_tex_coords);
GLfloat xamt = (GLfloat)width * gl->fbo_scale_x / gl->fbo_width;
GLfloat yamt = (GLfloat)height * gl->fbo_scale_y / gl->fbo_height;
gl->fbo_tex_coords[3] = yamt;
gl->fbo_tex_coords[4] = xamt;
gl->fbo_tex_coords[5] = yamt;
gl->fbo_tex_coords[6] = xamt;
for (int i = 1; i < gl->fbo_pass; i++)
{
GLfloat xamt = (GLfloat)width * gl->fbo_scale[i - 1].scale_x / gl->fbo_rect[i - 1].width;
GLfloat yamt = (GLfloat)height * gl->fbo_scale[i - 1].scale_y / gl->fbo_rect[i - 1].height;
gl->fbo_tex_coords[3] = yamt;
gl->fbo_tex_coords[4] = xamt;
gl->fbo_tex_coords[5] = yamt;
gl->fbo_tex_coords[6] = xamt;
pglBindFramebuffer(GL_FRAMEBUFFER, gl->fbo[i]);
gl_shader_use(i + 1);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[i - 1]);
set_viewport(gl, width * gl->fbo_scale[i].scale_x, height * gl->fbo_scale[i].scale_y, true);
glClear(GL_COLOR_BUFFER_BIT);
set_viewport(gl, width * gl->fbo_scale_x, height * gl->fbo_scale_y, true);
gl_shader_set_params(width * gl->fbo_scale_x, height * gl->fbo_scale_y, gl->fbo_width, gl->fbo_height, gl->vp_width, gl->vp_height);
gl_shader_set_params(width * gl->fbo_scale[i - 1].scale_x, height * gl->fbo_scale[i - 1].scale_y, gl->fbo_rect[i - 1].width, gl->fbo_rect[i - 1].height, gl->vp_width, gl->vp_height);
glDrawArrays(GL_QUADS, 0, 4);
}
@ -625,7 +651,7 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
glClear(GL_COLOR_BUFFER_BIT);
gl->render_to_tex = false;
set_viewport(gl, gl->win_width, gl->win_height, false);
gl_shader_set_params(width * gl->fbo_scale_x, height * gl->fbo_scale_y, gl->fbo_width, gl->fbo_height, gl->vp_width, gl->vp_height);
gl_shader_set_params(width * gl->fbo_scale[gl->fbo_pass - 1].scale_x, height * gl->fbo_scale[gl->fbo_pass - 1].scale_y, gl->fbo_rect[gl->fbo_pass - 1].width, gl->fbo_rect[gl->fbo_pass - 1].height, gl->vp_width, gl->vp_height);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[gl->fbo_pass - 1]);
glDrawArrays(GL_QUADS, 0, 4);