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-rw-r--r--libvo/gl_common.c159
1 files changed, 128 insertions, 31 deletions
diff --git a/libvo/gl_common.c b/libvo/gl_common.c
index 7cca800d40..481d21e2fe 100644
--- a/libvo/gl_common.c
+++ b/libvo/gl_common.c
@@ -218,8 +218,8 @@ int glFindFormat(uint32_t fmt, int have_texture_rg, int *bpp, GLint *gl_texfmt,
// we do not support palettized formats, although the format the
// swscale produces works
case IMGFMT_RGB8:
- gl_format = GL_RGB;
- gl_type = GL_UNSIGNED_BYTE_2_3_3_REV;
+ *gl_format = GL_RGB;
+ *gl_type = GL_UNSIGNED_BYTE_2_3_3_REV;
break;
#endif
case IMGFMT_RGB15:
@@ -232,12 +232,12 @@ int glFindFormat(uint32_t fmt, int have_texture_rg, int *bpp, GLint *gl_texfmt,
break;
#if 0
case IMGFMT_BGR8:
- // special case as red and blue have a differen number of bits.
+ // special case as red and blue have a different number of bits.
// GL_BGR and GL_UNSIGNED_BYTE_3_3_2 isn't supported at least
// by nVidia drivers, and in addition would give more bits to
// blue than to red, which isn't wanted
- gl_format = GL_RGB;
- gl_type = GL_UNSIGNED_BYTE_3_3_2;
+ *gl_format = GL_RGB;
+ *gl_type = GL_UNSIGNED_BYTE_3_3_2;
break;
#endif
case IMGFMT_BGR15:
@@ -329,7 +329,6 @@ static const extfunc_desc_t extfuncs[] = {
DEF_FUNC_DESC(TexEnvf),
DEF_FUNC_DESC(TexEnvi),
DEF_FUNC_DESC(Color4ub),
- DEF_FUNC_DESC(Color3f),
DEF_FUNC_DESC(Color4f),
DEF_FUNC_DESC(ClearColor),
DEF_FUNC_DESC(ClearDepth),
@@ -360,6 +359,12 @@ static const extfunc_desc_t extfuncs[] = {
DEF_FUNC_DESC(ColorMask),
DEF_FUNC_DESC(ReadPixels),
DEF_FUNC_DESC(ReadBuffer),
+ DEF_FUNC_DESC(VertexPointer),
+ DEF_FUNC_DESC(ColorPointer),
+ DEF_FUNC_DESC(TexCoordPointer),
+ DEF_FUNC_DESC(DrawArrays),
+ DEF_FUNC_DESC(EnableClientState),
+ DEF_FUNC_DESC(DisableClientState),
DEF_EXT_DESC(GenBuffers, NULL,
("glGenBuffers", "glGenBuffersARB")),
@@ -855,11 +860,41 @@ static void gen_spline_lookup_tex(GL *gl, GLenum unit)
free(tex);
}
+#define NOISE_RES 2048
+
+/**
+ * \brief creates the 1D lookup texture needed to generate pseudo-random numbers.
+ * \param unit texture unit to attach texture to
+ */
+static void gen_noise_lookup_tex(GL *gl, GLenum unit) {
+ GLfloat *tex = calloc(NOISE_RES, sizeof(*tex));
+ uint32_t lcg = 0x79381c11;
+ int i;
+ for (i = 0; i < NOISE_RES; i++)
+ tex[i] = (double)i / (NOISE_RES - 1);
+ for (i = 0; i < NOISE_RES - 1; i++) {
+ int remain = NOISE_RES - i;
+ int idx = i + (lcg >> 16) % remain;
+ GLfloat tmp = tex[i];
+ tex[i] = tex[idx];
+ tex[idx] = tmp;
+ lcg = lcg * 1664525 + 1013904223;
+ }
+ gl->ActiveTexture(unit);
+ gl->TexImage1D(GL_TEXTURE_1D, 0, 1, NOISE_RES, 0, GL_RED, GL_FLOAT, tex);
+ gl->TexParameterf(GL_TEXTURE_1D, GL_TEXTURE_PRIORITY, 1.0);
+ gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ gl->TexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ gl->ActiveTexture(GL_TEXTURE0);
+ free(tex);
+}
+
#define SAMPLE(dest, coord, texture) \
"TEX textemp, " coord ", " texture ", $tex_type;\n" \
"MOV " dest ", textemp.r;\n"
-static const char *bilin_filt_template =
+static const char bilin_filt_template[] =
SAMPLE("yuv.$out_comp","fragment.texcoord[$in_tex]","texture[$in_tex]");
#define BICUB_FILT_MAIN \
@@ -876,7 +911,7 @@ static const char *bilin_filt_template =
/* x-interpolation */ \
"LRP yuv.$out_comp, parmx.b, a.bbbb, a.aaaa;\n"
-static const char *bicub_filt_template_2D =
+static const char bicub_filt_template_2D[] =
"MAD coord.xy, fragment.texcoord[$in_tex], {$texw, $texh}, {0.5, 0.5};\n"
"TEX parmx, coord.x, texture[$texs], 1D;\n"
"MUL cdelta.xz, parmx.rrgg, {-$ptw, 0, $ptw, 0};\n"
@@ -884,7 +919,7 @@ static const char *bicub_filt_template_2D =
"MUL cdelta.yw, parmy.rrgg, {0, -$pth, 0, $pth};\n"
BICUB_FILT_MAIN;
-static const char *bicub_filt_template_RECT =
+static const char bicub_filt_template_RECT[] =
"ADD coord, fragment.texcoord[$in_tex], {0.5, 0.5};\n"
"TEX parmx, coord.x, texture[$texs], 1D;\n"
"MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};\n"
@@ -902,7 +937,7 @@ static const char *bicub_filt_template_RECT =
"ADD "t ".x, "t ".xxxx, "s ";\n" \
"SUB "t ".y, "t ".yyyy, "s ";\n"
-static const char *bicub_notex_filt_template_2D =
+static const char bicub_notex_filt_template_2D[] =
"MAD coord.xy, fragment.texcoord[$in_tex], {$texw, $texh}, {0.5, 0.5};\n"
"FRC coord.xy, coord.xyxy;\n"
CALCWEIGHTS("parmx", "coord.xxxx")
@@ -911,7 +946,7 @@ static const char *bicub_notex_filt_template_2D =
"MUL cdelta.yw, parmy.rrgg, {0, -$pth, 0, $pth};\n"
BICUB_FILT_MAIN;
-static const char *bicub_notex_filt_template_RECT =
+static const char bicub_notex_filt_template_RECT[] =
"ADD coord, fragment.texcoord[$in_tex], {0.5, 0.5};\n"
"FRC coord.xy, coord.xyxy;\n"
CALCWEIGHTS("parmx", "coord.xxxx")
@@ -928,19 +963,19 @@ static const char *bicub_notex_filt_template_RECT =
/* x-interpolation */ \
"LRP yuv.$out_comp, parmx.b, a.rrrr, b.rrrr;\n"
-static const char *bicub_x_filt_template_2D =
+static const char bicub_x_filt_template_2D[] =
"MAD coord.x, fragment.texcoord[$in_tex], {$texw}, {0.5};\n"
"TEX parmx, coord, texture[$texs], 1D;\n"
"MUL cdelta.xyz, parmx.rrgg, {-$ptw, 0, $ptw};\n"
BICUB_X_FILT_MAIN;
-static const char *bicub_x_filt_template_RECT =
+static const char bicub_x_filt_template_RECT[] =
"ADD coord.x, fragment.texcoord[$in_tex], {0.5};\n"
"TEX parmx, coord, texture[$texs], 1D;\n"
"MUL cdelta.xyz, parmx.rrgg, {-1, 0, 1};\n"
BICUB_X_FILT_MAIN;
-static const char *unsharp_filt_template =
+static const char unsharp_filt_template[] =
"PARAM dcoord$out_comp = {$ptw_05, $pth_05, $ptw_05, -$pth_05};\n"
"ADD coord, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
"SUB coord2, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
@@ -955,7 +990,7 @@ static const char *unsharp_filt_template =
"MAD textemp.r, b.r, {$strength}, a.r;\n"
"MOV yuv.$out_comp, textemp.r;\n";
-static const char *unsharp_filt_template2 =
+static const char unsharp_filt_template2[] =
"PARAM dcoord$out_comp = {$ptw_12, $pth_12, $ptw_12, -$pth_12};\n"
"PARAM dcoord2$out_comp = {$ptw_15, 0, 0, $pth_15};\n"
"ADD coord, fragment.texcoord[$in_tex].xyxy, dcoord$out_comp;\n"
@@ -980,7 +1015,7 @@ static const char *unsharp_filt_template2 =
"MAD textemp.r, b.r, {$strength}, a.r;\n"
"MOV yuv.$out_comp, textemp.r;\n";
-static const char *yuv_prog_template =
+static const char yuv_prog_template[] =
"PARAM ycoef = {$cm11, $cm21, $cm31};\n"
"PARAM ucoef = {$cm12, $cm22, $cm32};\n"
"PARAM vcoef = {$cm13, $cm23, $cm33};\n"
@@ -988,10 +1023,9 @@ static const char *yuv_prog_template =
"TEMP res;\n"
"MAD res.rgb, yuv.rrrr, ycoef, offsets;\n"
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
- "MAD result.color.rgb, yuv.bbbb, vcoef, res;\n"
- "END";
+ "MAD res.rgb, yuv.bbbb, vcoef, res;\n";
-static const char *yuv_pow_prog_template =
+static const char yuv_pow_prog_template[] =
"PARAM ycoef = {$cm11, $cm21, $cm31};\n"
"PARAM ucoef = {$cm12, $cm22, $cm32};\n"
"PARAM vcoef = {$cm13, $cm23, $cm33};\n"
@@ -1001,12 +1035,11 @@ static const char *yuv_pow_prog_template =
"MAD res.rgb, yuv.rrrr, ycoef, offsets;\n"
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
"MAD_SAT res.rgb, yuv.bbbb, vcoef, res;\n"
- "POW result.color.r, res.r, gamma.r;\n"
- "POW result.color.g, res.g, gamma.g;\n"
- "POW result.color.b, res.b, gamma.b;\n"
- "END";
+ "POW res.r, res.r, gamma.r;\n"
+ "POW res.g, res.g, gamma.g;\n"
+ "POW res.b, res.b, gamma.b;\n";
-static const char *yuv_lookup_prog_template =
+static const char yuv_lookup_prog_template[] =
"PARAM ycoef = {$cm11, $cm21, $cm31, 0};\n"
"PARAM ucoef = {$cm12, $cm22, $cm32, 0};\n"
"PARAM vcoef = {$cm13, $cm23, $cm33, 0};\n"
@@ -1015,16 +1048,23 @@ static const char *yuv_lookup_prog_template =
"MAD res, yuv.rrrr, ycoef, offsets;\n"
"MAD res.rgb, yuv.gggg, ucoef, res;\n"
"MAD res.rgb, yuv.bbbb, vcoef, res;\n"
- "TEX result.color.r, res.raaa, texture[$conv_tex0], 2D;\n"
+ "TEX res.r, res.raaa, texture[$conv_tex0], 2D;\n"
"ADD res.a, res.a, 0.25;\n"
- "TEX result.color.g, res.gaaa, texture[$conv_tex0], 2D;\n"
+ "TEX res.g, res.gaaa, texture[$conv_tex0], 2D;\n"
"ADD res.a, res.a, 0.25;\n"
- "TEX result.color.b, res.baaa, texture[$conv_tex0], 2D;\n"
- "END";
+ "TEX res.b, res.baaa, texture[$conv_tex0], 2D;\n";
+
+static const char yuv_lookup3d_prog_template[] =
+ "TEMP res;\n"
+ "TEX res, yuv, texture[$conv_tex0], 3D;\n";
-static const char *yuv_lookup3d_prog_template =
- "TEX result.color, yuv, texture[$conv_tex0], 3D;\n"
- "END";
+static const char noise_filt_template[] =
+ "MUL coord.xy, fragment.texcoord[0], {$noise_sx, $noise_sy};\n"
+ "TEMP rand;\n"
+ "TEX rand.r, coord.x, texture[$noise_filt_tex], 1D;\n"
+ "ADD rand.r, rand.r, coord.y;\n"
+ "TEX rand.r, rand.r, texture[$noise_filt_tex], 1D;\n"
+ "MAD res.rgb, rand.rrrr, {$noise_str, $noise_str, $noise_str}, res;\n";
/**
* \brief creates and initializes helper textures needed for scaling texture read
@@ -1269,10 +1309,12 @@ static void glSetupYUVFragprog(GL *gl, gl_conversion_params_t *params)
char lum_scale_texs[1];
char chrom_scale_texs[1];
char conv_texs[1];
+ char filt_texs[1] = {0};
GLint i;
// this is the conversion matrix, with y, u, v factors
// for red, green, blue and the constant offsets
float yuv2rgb[3][4];
+ int noise = params->noise_strength != 0;
create_conv_textures(gl, params, &cur_texu, conv_texs);
create_scaler_textures(gl, YUV_LUM_SCALER(type), &cur_texu, lum_scale_texs);
if (YUV_CHROM_SCALER(type) == YUV_LUM_SCALER(type))
@@ -1280,6 +1322,12 @@ static void glSetupYUVFragprog(GL *gl, gl_conversion_params_t *params)
else
create_scaler_textures(gl, YUV_CHROM_SCALER(type), &cur_texu,
chrom_scale_texs);
+
+ if (noise) {
+ gen_noise_lookup_tex(gl, cur_texu);
+ filt_texs[0] = '0' + cur_texu++;
+ }
+
gl->GetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &i);
if (i < cur_texu)
mp_msg(MSGT_VO, MSGL_ERR,
@@ -1328,6 +1376,25 @@ static void glSetupYUVFragprog(GL *gl, gl_conversion_params_t *params)
replace_var_float(prog, "gamma_g", (float)1.0 / params->csp_params.ggamma);
replace_var_float(prog, "gamma_b", (float)1.0 / params->csp_params.bgamma);
replace_var_char(prog, "conv_tex0", conv_texs[0]);
+
+ if (noise) {
+ // 1.0 strength is suitable for dithering 8 to 6 bit
+ double str = params->noise_strength * (1.0 / 64);
+ double scale_x = (double)NOISE_RES / texw;
+ double scale_y = (double)NOISE_RES / texh;
+ if (rect) {
+ scale_x /= texw;
+ scale_y /= texh;
+ }
+ append_template(prog, noise_filt_template);
+ replace_var_float(prog, "noise_sx", scale_x);
+ replace_var_float(prog, "noise_sy", scale_y);
+ replace_var_char(prog, "noise_filt_tex", filt_texs[0]);
+ replace_var_float(prog, "noise_str", str);
+ }
+
+ append_template(prog, "MOV result.color.rgb, res;\nEND");
+
mp_msg(MSGT_VO, MSGL_DBG2, "[gl] generated fragment program:\n%s\n",
yuv_prog);
loadGPUProgram(gl, GL_FRAGMENT_PROGRAM, yuv_prog);
@@ -2020,6 +2087,36 @@ static void new_vo_sdl_fullscreen(struct vo *vo) { vo_sdl_fullscreen(); }
#endif
+struct backend {
+ const char *name;
+ enum MPGLType type;
+};
+
+static struct backend backends[] = {
+ {"auto", GLTYPE_AUTO},
+ {"cocoa", GLTYPE_COCOA},
+ {"win", GLTYPE_W32},
+ {"x11", GLTYPE_X11},
+ {"sdl", GLTYPE_SDL},
+ // mplayer-svn aliases (note that mplayer-svn couples these with the numeric
+ // values of the internal GLTYPE_* constants)
+ {"-1", GLTYPE_AUTO},
+ { "0", GLTYPE_W32},
+ { "1", GLTYPE_X11},
+ { "2", GLTYPE_SDL},
+
+ {0}
+};
+
+int mpgl_find_backend(const char *name)
+{
+ for (const struct backend *entry = backends; entry->name; entry++) {
+ if (strcmp(entry->name, name) == 0)
+ return entry->type;
+ }
+ return -1;
+}
+
MPGLContext *init_mpglcontext(enum MPGLType type, struct vo *vo)
{
MPGLContext *ctx;