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https://github.com/mpv-player/mpv
synced 2025-02-25 09:44:21 +00:00
Support for ATI specific YUV->RGB conversion.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16626 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar
parent
ebd7dadd88
commit
d28ad7d31d
@ -35,6 +35,15 @@ void (APIENTRY *CombinerInput)(GLenum, GLenum, GLenum, GLenum, GLenum,
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void (APIENTRY *CombinerOutput)(GLenum, GLenum, GLenum, GLenum, GLenum,
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GLenum, GLenum, GLboolean, GLboolean,
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GLboolean);
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void (APIENTRY *BeginFragmentShader)(void);
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void (APIENTRY *EndFragmentShader)(void);
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void (APIENTRY *SampleMap)(GLuint, GLuint, GLenum);
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void (APIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint);
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void (APIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint);
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void (APIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
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void (APIENTRY *ActiveTexture)(GLenum);
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void (APIENTRY *BindTexture)(GLenum, GLuint);
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void (APIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
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@ -274,6 +283,12 @@ static void getFunctions(void *(*getProcAddress)(const GLubyte *)) {
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CombinerOutput = getProcAddress("glCombinerOutput");
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if (!CombinerOutput)
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CombinerOutput = getProcAddress("glCombinerOutputNV");
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BeginFragmentShader = getProcAddress("glBeginFragmentShaderATI");
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EndFragmentShader = getProcAddress("glEndFragmentShaderATI");
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SampleMap = getProcAddress("glSampleMapATI");
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ColorFragmentOp2 = getProcAddress("glColorFragmentOp2ATI");
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ColorFragmentOp3 = getProcAddress("glColorFragmentOp3ATI");
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SetFragmentShaderConstant = getProcAddress("glSetFragmentShaderConstantATI");
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ActiveTexture = getProcAddress("glActiveTexture");
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if (!ActiveTexture)
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ActiveTexture = getProcAddress("glActiveTextureARB");
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@ -480,6 +495,28 @@ void glUploadTex(GLenum target, GLenum format, GLenum type,
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glTexSubImage2D(target, 0, x, y, w, y_max - y, format, type, data);
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}
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static void fillUVcoeff(GLfloat *ucoef, GLfloat *vcoef,
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float uvcos, float uvsin) {
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int i;
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ucoef[0] = 0 * uvcos + 1.403 * uvsin;
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vcoef[0] = 0 * uvsin + 1.403 * uvcos;
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ucoef[1] = -0.344 * uvcos + -0.714 * uvsin;
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vcoef[1] = -0.344 * uvsin + -0.714 * uvcos;
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ucoef[2] = 1.770 * uvcos + 0 * uvsin;
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vcoef[2] = 1.770 * uvsin + 0 * uvcos;
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ucoef[3] = 0;
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vcoef[3] = 0;
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// Coefficients (probably) must be in [0, 1] range, whereas they originally
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// are in [-2, 2] range, so here comes the trick:
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// First put them in the [-0.5, 0.5] range, then add 0.5.
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// This can be undone with the HALF_BIAS and SCALE_BY_FOUR arguments
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// for CombinerInput and CombinerOutput (or the respective ATI variants)
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for (i = 0; i < 4; i++) {
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ucoef[i] = ucoef[i] * 0.25 + 0.5;
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vcoef[i] = vcoef[i] * 0.25 + 0.5;
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}
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}
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/**
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* \brief Setup register combiners for YUV to RGB conversion.
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* \param uvcos used for saturation and hue adjustment
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@ -502,23 +539,7 @@ static void glSetupYUVCombiners(float uvcos, float uvsin) {
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mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Combiner functions missing!\n");
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return;
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}
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ucoef[0] = 0 * uvcos + 1.403 * uvsin;
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vcoef[0] = 0 * uvsin + 1.403 * uvcos;
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ucoef[1] = -0.344 * uvcos + -0.714 * uvsin;
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vcoef[1] = -0.344 * uvsin + -0.714 * uvcos;
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ucoef[2] = 1.770 * uvcos + 0 * uvsin;
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vcoef[2] = 1.770 * uvsin + 0 * uvcos;
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ucoef[3] = 0;
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vcoef[3] = 0;
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// Coefficients (probably) must be in [0, 1] range, whereas they originally
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// are in [-2, 2] range, so here comes the trick:
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// First put them in the [-0.5, 0.5] range, then add 0.5.
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// This can be undone with the HALF_BIAS and SCALE_BY_FOUR arguments
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// for CombinerInput and CombinerOutput
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for (i = 0; i < 4; i++) {
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ucoef[i] = ucoef[i] * 0.25 + 0.5;
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vcoef[i] = vcoef[i] * 0.25 + 0.5;
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}
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fillUVcoeff(ucoef, vcoef, uvcos, uvsin);
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CombinerParameterfv(GL_CONSTANT_COLOR0_NV, ucoef);
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CombinerParameterfv(GL_CONSTANT_COLOR1_NV, vcoef);
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@ -552,6 +573,53 @@ static void glSetupYUVCombiners(float uvcos, float uvsin) {
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CombinerParameteri(GL_NUM_GENERAL_COMBINERS_NV, 2);
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}
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/**
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* \brief Setup ATI version of register combiners for YUV to RGB conversion.
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* \param uvcos used for saturation and hue adjustment
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* \param uvsin used for saturation and hue adjustment
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*
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* ATI called this fragment shader, but the name is confusing in the
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* light of a very different OpenGL 2.0 extension with the same name
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*/
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static void glSetupYUVCombinersATI(float uvcos, float uvsin) {
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GLfloat ucoef[4];
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GLfloat vcoef[4];
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GLint i;
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glGetIntegerv(GL_NUM_FRAGMENT_REGISTERS_ATI, &i);
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if (i < 3)
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mp_msg(MSGT_VO, MSGL_ERR,
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"[gl] 3 registers needed for YUV combiner (ATI) support (found %i)\n", i);
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glGetIntegerv (GL_MAX_TEXTURE_UNITS, &i);
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if (i < 3)
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mp_msg(MSGT_VO, MSGL_ERR,
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"[gl] 3 texture units needed for YUV combiner (ATI) support (found %i)\n", i);
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if (!BeginFragmentShader || !EndFragmentShader ||
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!SetFragmentShaderConstant || !SampleMap ||
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!ColorFragmentOp2 || !ColorFragmentOp3) {
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mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Combiner (ATI) functions missing!\n");
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return;
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}
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fillUVcoeff(ucoef, vcoef, uvcos, uvsin);
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BeginFragmentShader();
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SetFragmentShaderConstant(GL_CON_0_ATI, ucoef);
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SetFragmentShaderConstant(GL_CON_1_ATI, vcoef);
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SampleMap(GL_REG_0_ATI, GL_TEXTURE0, GL_SWIZZLE_STR_ATI);
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SampleMap(GL_REG_1_ATI, GL_TEXTURE1, GL_SWIZZLE_STR_ATI);
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SampleMap(GL_REG_2_ATI, GL_TEXTURE2, GL_SWIZZLE_STR_ATI);
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// UV first, like this green component cannot overflow
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ColorFragmentOp2(GL_MUL_ATI, GL_REG_1_ATI, GL_NONE, GL_NONE,
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GL_REG_1_ATI, GL_NONE, GL_BIAS_BIT_ATI,
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GL_CON_0_ATI, GL_NONE, GL_BIAS_BIT_ATI);
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ColorFragmentOp3(GL_MAD_ATI, GL_REG_2_ATI, GL_NONE, GL_4X_BIT_ATI,
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GL_REG_2_ATI, GL_NONE, GL_BIAS_BIT_ATI,
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GL_CON_1_ATI, GL_NONE, GL_BIAS_BIT_ATI,
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GL_REG_1_ATI, GL_NONE, GL_NONE);
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ColorFragmentOp2(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
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GL_REG_0_ATI, GL_NONE, GL_NONE,
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GL_REG_2_ATI, GL_NONE, GL_NONE);
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EndFragmentShader();
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}
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static const char *yuv_prog_template =
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"!!ARBfp1.0\n"
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"OPTION ARB_precision_hint_fastest;"
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@ -713,6 +781,9 @@ void glSetupYUVConversion(GLenum target, int type,
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case YUV_CONVERSION_COMBINERS:
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glSetupYUVCombiners(uvcos, uvsin);
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break;
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case YUV_CONVERSION_COMBINERS_ATI:
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glSetupYUVCombinersATI(uvcos, uvsin);
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break;
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case YUV_CONVERSION_FRAGMENT_LOOKUP:
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{
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unsigned char lookup_data[4 * LOOKUP_RES];
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@ -752,6 +823,14 @@ void inline glEnableYUVConversion(GLenum target, int type) {
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ActiveTexture(GL_TEXTURE0);
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glEnable(GL_REGISTER_COMBINERS_NV);
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break;
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case YUV_CONVERSION_COMBINERS_ATI:
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ActiveTexture(GL_TEXTURE1);
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glEnable(target);
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ActiveTexture(GL_TEXTURE2);
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glEnable(target);
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ActiveTexture(GL_TEXTURE0);
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glEnable(GL_FRAGMENT_SHADER_ATI);
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break;
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case YUV_CONVERSION_FRAGMENT_LOOKUP:
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case YUV_CONVERSION_FRAGMENT_POW:
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case YUV_CONVERSION_FRAGMENT:
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@ -777,6 +856,14 @@ void inline glDisableYUVConversion(GLenum target, int type) {
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ActiveTexture(GL_TEXTURE0);
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glDisable(GL_REGISTER_COMBINERS_NV);
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break;
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case YUV_CONVERSION_COMBINERS_ATI:
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ActiveTexture(GL_TEXTURE1);
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glDisable(target);
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ActiveTexture(GL_TEXTURE2);
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glDisable(target);
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ActiveTexture(GL_TEXTURE0);
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glDisable(GL_FRAGMENT_SHADER_ATI);
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break;
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case YUV_CONVERSION_FRAGMENT_LOOKUP:
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case YUV_CONVERSION_FRAGMENT_POW:
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case YUV_CONVERSION_FRAGMENT:
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@ -76,6 +76,45 @@
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#ifndef GL_SPARE0_NV
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#define GL_SPARE0_NV 0x852E
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#endif
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#ifndef GL_FRAGMENT_SHADER_ATI
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#define GL_FRAGMENT_SHADER_ATI 0x8920
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#endif
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#ifndef GL_NUM_FRAGMENT_REGISTERS_ATI
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#define GL_NUM_FRAGMENT_REGISTERS_ATI 0x896E
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#endif
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#ifndef GL_REG_0_ATI
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#define GL_REG_0_ATI 0x8921
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#endif
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#ifndef GL_REG_1_ATI
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#define GL_REG_1_ATI 0x8922
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#endif
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#ifndef GL_REG_2_ATI
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#define GL_REG_2_ATI 0x8923
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#endif
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#ifndef GL_CON_0_ATI
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#define GL_CON_0_ATI 0x8941
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#endif
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#ifndef GL_CON_1_ATI
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#define GL_CON_1_ATI 0x8942
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#endif
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#ifndef GL_ADD_ATI
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#define GL_ADD_ATI 0x8963
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#endif
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#ifndef GL_MUL_ATI
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#define GL_MUL_ATI 0x8964
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#endif
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#ifndef GL_MAD_ATI
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#define GL_MAD_ATI 0x8968
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#endif
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#ifndef GL_SWIZZLE_STR_ATI
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#define GL_SWIZZLE_STR_ATI 0x8976
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#endif
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#ifndef GL_4X_BIT_ATI
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#define GL_4X_BIT_ATI 2
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#endif
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#ifndef GL_BIAS_BIT_ATI
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#define GL_BIAS_BIT_ATI 8
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#endif
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#ifndef GL_MAX_TEXTURE_UNITS
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#define GL_MAX_TEXTURE_UNITS 0x84E2
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#endif
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@ -171,6 +210,8 @@ void glDrawTex(GLfloat x, GLfloat y, GLfloat w, GLfloat h,
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#define YUV_CONVERSION_FRAGMENT_POW 3
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//! use a fragment program with additional table lookup for YUV conversion
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#define YUV_CONVERSION_FRAGMENT_LOOKUP 4
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//! use ATI specific register combiners ("fragment program")
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#define YUV_CONVERSION_COMBINERS_ATI 5
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/** \} */
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void glSetupYUVConversion(GLenum target, int type,
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float brightness, float contrast,
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@ -210,6 +251,15 @@ extern void (APIENTRY *CombinerInput)(GLenum, GLenum, GLenum, GLenum, GLenum,
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extern void (APIENTRY *CombinerOutput)(GLenum, GLenum, GLenum, GLenum, GLenum,
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GLenum, GLenum, GLboolean, GLboolean,
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GLboolean);
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extern void (APIENTRY *BeginFragmentShader)(void);
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extern void (APIENTRY *EndFragmentShader)(void);
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extern void (APIENTRY *SampleMap)(GLuint, GLuint, GLenum);
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extern void (APIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint);
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extern void (APIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint);
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extern void (APIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
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extern void (APIENTRY *ActiveTexture)(GLenum);
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extern void (APIENTRY *BindTexture)(GLenum, GLuint);
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extern void (APIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
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