/* * Copyright © 2013 Red Hat * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Authors: * Dave Airlie * * some code is derived from the xf86-video-ati radeon driver, mainly * the calculations. */ /** @file glamor_xv.c * * Xv acceleration implementation */ #ifdef HAVE_DIX_CONFIG_H #include #endif #include "glamor_priv.h" #include #include "../hw/xfree86/common/fourcc.h" /* Reference color space transform data */ typedef struct tagREF_TRANSFORM { float RefLuma; float RefRCb; float RefRCr; float RefGCb; float RefGCr; float RefBCb; float RefBCr; } REF_TRANSFORM; #define RTFSaturation(a) (1.0 + ((a)*1.0)/1000.0) #define RTFBrightness(a) (((a)*1.0)/2000.0) #define RTFIntensity(a) (((a)*1.0)/2000.0) #define RTFContrast(a) (1.0 + ((a)*1.0)/1000.0) #define RTFHue(a) (((a)*3.1416)/1000.0) static const char *xv_vs = "attribute vec4 v_position;\n" "attribute vec4 v_texcoord0;\n" "varying vec2 tcs;\n" "void main()\n" "{\n" " gl_Position = v_position;\n" "tcs = v_texcoord0.xy;\n" "}\n"; static const char *xv_ps = GLAMOR_DEFAULT_PRECISION "uniform sampler2D y_sampler;\n" "uniform sampler2D u_sampler;\n" "uniform sampler2D v_sampler;\n" "uniform vec4 offsetyco;\n" "uniform vec4 ucogamma;\n" "uniform vec4 vco;\n" "varying vec2 tcs;\n" "float sample;\n" "vec4 temp1;\n" "void main()\n" "{\n" "sample = texture2D(y_sampler, tcs).w;\n" "temp1.xyz = offsetyco.www * vec3(sample) + offsetyco.xyz;\n" "sample = texture2D(u_sampler, tcs).w;\n" "temp1.xyz = ucogamma.xyz * vec3(sample) + temp1.xyz;\n" "sample = texture2D(v_sampler, tcs).w;\n" "temp1.xyz = clamp(vco.xyz * vec3(sample) + temp1.xyz, 0.0, 1.0);\n" "temp1.w = 1.0;\n" "gl_FragColor = temp1;\n" "}\n"; #define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE) XvAttributeRec glamor_xv_attributes[] = { {XvSettable | XvGettable, -1000, 1000, (char *)"XV_BRIGHTNESS"}, {XvSettable | XvGettable, -1000, 1000, (char *)"XV_CONTRAST"}, {XvSettable | XvGettable, -1000, 1000, (char *)"XV_SATURATION"}, {XvSettable | XvGettable, -1000, 1000, (char *)"XV_HUE"}, {XvSettable | XvGettable, 0, 1, (char *)"XV_COLORSPACE"}, {0, 0, 0, NULL} }; int glamor_xv_num_attributes = ARRAY_SIZE(glamor_xv_attributes) - 1; Atom glamorBrightness, glamorContrast, glamorSaturation, glamorHue, glamorColorspace, glamorGamma; XvImageRec glamor_xv_images[] = { XVIMAGE_YV12, XVIMAGE_I420, }; int glamor_xv_num_images = ARRAY_SIZE(glamor_xv_images); static void glamor_init_xv_shader(ScreenPtr screen) { glamor_screen_private *glamor_priv; GLint fs_prog, vs_prog; glamor_priv = glamor_get_screen_private(screen); glamor_make_current(glamor_priv); glamor_priv->xv_prog = glCreateProgram(); vs_prog = glamor_compile_glsl_prog(GL_VERTEX_SHADER, xv_vs); fs_prog = glamor_compile_glsl_prog(GL_FRAGMENT_SHADER, xv_ps); glAttachShader(glamor_priv->xv_prog, vs_prog); glAttachShader(glamor_priv->xv_prog, fs_prog); glBindAttribLocation(glamor_priv->xv_prog, GLAMOR_VERTEX_POS, "v_position"); glBindAttribLocation(glamor_priv->xv_prog, GLAMOR_VERTEX_SOURCE, "v_texcoord0"); glamor_link_glsl_prog(screen, glamor_priv->xv_prog, "xv"); } #define ClipValue(v,min,max) ((v) < (min) ? (min) : (v) > (max) ? (max) : (v)) void glamor_xv_stop_video(glamor_port_private *port_priv) { int i; for (i = 0; i < 3; i++) { if (port_priv->src_pix[i]) { glamor_destroy_pixmap(port_priv->src_pix[i]); port_priv->src_pix[i] = NULL; } } } int glamor_xv_set_port_attribute(glamor_port_private *port_priv, Atom attribute, INT32 value) { if (attribute == glamorBrightness) port_priv->brightness = ClipValue(value, -1000, 1000); else if (attribute == glamorHue) port_priv->hue = ClipValue(value, -1000, 1000); else if (attribute == glamorContrast) port_priv->contrast = ClipValue(value, -1000, 1000); else if (attribute == glamorSaturation) port_priv->saturation = ClipValue(value, -1000, 1000); else if (attribute == glamorGamma) port_priv->gamma = ClipValue(value, 100, 10000); else if (attribute == glamorColorspace) port_priv->transform_index = ClipValue(value, 0, 1); else return BadMatch; return Success; } int glamor_xv_get_port_attribute(glamor_port_private *port_priv, Atom attribute, INT32 *value) { if (attribute == glamorBrightness) *value = port_priv->brightness; else if (attribute == glamorHue) *value = port_priv->hue; else if (attribute == glamorContrast) *value = port_priv->contrast; else if (attribute == glamorSaturation) *value = port_priv->saturation; else if (attribute == glamorGamma) *value = port_priv->gamma; else if (attribute == glamorColorspace) *value = port_priv->transform_index; else return BadMatch; return Success; } int glamor_xv_query_image_attributes(int id, unsigned short *w, unsigned short *h, int *pitches, int *offsets) { int size = 0, tmp; if (offsets) offsets[0] = 0; switch (id) { case FOURCC_YV12: case FOURCC_I420: *h = *h; *w = *w; size = *w; if (pitches) pitches[0] = size; size *= *h; if (offsets) offsets[1] = size; tmp = *w >> 1; if (pitches) pitches[1] = pitches[2] = tmp; tmp *= (*h >> 1); size += tmp; if (offsets) offsets[2] = size; size += tmp; break; } return size; } /* Parameters for ITU-R BT.601 and ITU-R BT.709 colour spaces note the difference to the parameters used in overlay are due to 10bit vs. float calcs */ static REF_TRANSFORM trans[2] = { {1.1643, 0.0, 1.5960, -0.3918, -0.8129, 2.0172, 0.0}, /* BT.601 */ {1.1643, 0.0, 1.7927, -0.2132, -0.5329, 2.1124, 0.0} /* BT.709 */ }; void glamor_xv_render(glamor_port_private *port_priv) { ScreenPtr screen = port_priv->pPixmap->drawable.pScreen; glamor_screen_private *glamor_priv = glamor_get_screen_private(screen); glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(port_priv->pPixmap); glamor_pixmap_private *src_pixmap_priv[3]; float vertices[32], texcoords[8]; BoxPtr box = REGION_RECTS(&port_priv->clip); int nBox = REGION_NUM_RECTS(&port_priv->clip); int dst_x_off, dst_y_off; GLfloat dst_xscale, dst_yscale; GLfloat src_xscale[3], src_yscale[3]; int i; const float Loff = -0.0627; const float Coff = -0.502; float uvcosf, uvsinf; float yco; float uco[3], vco[3], off[3]; float bright, cont, gamma; int ref = port_priv->transform_index; GLint uloc, sampler_loc; if (!glamor_priv->xv_prog) glamor_init_xv_shader(screen); cont = RTFContrast(port_priv->contrast); bright = RTFBrightness(port_priv->brightness); gamma = (float) port_priv->gamma / 1000.0; uvcosf = RTFSaturation(port_priv->saturation) * cos(RTFHue(port_priv->hue)); uvsinf = RTFSaturation(port_priv->saturation) * sin(RTFHue(port_priv->hue)); /* overlay video also does pre-gamma contrast/sat adjust, should we? */ yco = trans[ref].RefLuma * cont; uco[0] = -trans[ref].RefRCr * uvsinf; uco[1] = trans[ref].RefGCb * uvcosf - trans[ref].RefGCr * uvsinf; uco[2] = trans[ref].RefBCb * uvcosf; vco[0] = trans[ref].RefRCr * uvcosf; vco[1] = trans[ref].RefGCb * uvsinf + trans[ref].RefGCr * uvcosf; vco[2] = trans[ref].RefBCb * uvsinf; off[0] = Loff * yco + Coff * (uco[0] + vco[0]) + bright; off[1] = Loff * yco + Coff * (uco[1] + vco[1]) + bright; off[2] = Loff * yco + Coff * (uco[2] + vco[2]) + bright; gamma = 1.0; pixmap_priv_get_dest_scale(pixmap_priv, &dst_xscale, &dst_yscale); glamor_get_drawable_deltas(port_priv->pDraw, port_priv->pPixmap, &dst_x_off, &dst_y_off); glamor_set_destination_pixmap_priv_nc(pixmap_priv); for (i = 0; i < 3; i++) { if (port_priv->src_pix[i]) { src_pixmap_priv[i] = glamor_get_pixmap_private(port_priv->src_pix[i]); pixmap_priv_get_scale(src_pixmap_priv[i], &src_xscale[i], &src_yscale[i]); } } glamor_make_current(glamor_priv); glUseProgram(glamor_priv->xv_prog); uloc = glGetUniformLocation(glamor_priv->xv_prog, "offsetyco"); glUniform4f(uloc, off[0], off[1], off[2], yco); uloc = glGetUniformLocation(glamor_priv->xv_prog, "ucogamma"); glUniform4f(uloc, uco[0], uco[1], uco[2], gamma); uloc = glGetUniformLocation(glamor_priv->xv_prog, "vco"); glUniform4f(uloc, vco[0], vco[1], vco[2], 0); glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[0]->base.fbo->tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[1]->base.fbo->tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glActiveTexture(GL_TEXTURE2); glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[2]->base.fbo->tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "y_sampler"); glUniform1i(sampler_loc, 0); sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "u_sampler"); glUniform1i(sampler_loc, 1); sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "v_sampler"); glUniform1i(sampler_loc, 2); glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), texcoords); glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE); glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), vertices); glEnableVertexAttribArray(GLAMOR_VERTEX_POS); for (i = 0; i < nBox; i++) { float off_x = box[i].x1 - port_priv->drw_x; float off_y = box[i].y1 - port_priv->drw_y; float diff_x = (float) port_priv->src_w / (float) port_priv->dst_w; float diff_y = (float) port_priv->src_h / (float) port_priv->dst_h; float srcx, srcy, srcw, srch; int dstx, dsty, dstw, dsth; dstx = box[i].x1 + dst_x_off; dsty = box[i].y1 + dst_y_off; dstw = box[i].x2 - box[i].x1; dsth = box[i].y2 - box[i].y1; srcx = port_priv->src_x + off_x * diff_x; srcy = port_priv->src_y + off_y * diff_y; srcw = (port_priv->src_w * dstw) / (float) port_priv->dst_w; srch = (port_priv->src_h * dsth) / (float) port_priv->dst_h; glamor_set_normalize_vcoords(pixmap_priv, dst_xscale, dst_yscale, dstx, dsty, dstx + dstw, dsty + dsth, glamor_priv->yInverted, vertices); glamor_set_normalize_tcoords(src_pixmap_priv[0], src_xscale[0], src_yscale[0], srcx, srcy, srcx + srcw, srcy + srch, glamor_priv->yInverted, texcoords); glDrawArrays(GL_TRIANGLE_FAN, 0, 4); } glDisableVertexAttribArray(GLAMOR_VERTEX_POS); glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE); DamageDamageRegion(port_priv->pDraw, &port_priv->clip); } void glamor_xv_init_port(glamor_port_private *port_priv) { port_priv->brightness = 0; port_priv->contrast = 0; port_priv->saturation = 0; port_priv->hue = 0; port_priv->gamma = 1000; port_priv->transform_index = 0; REGION_NULL(pScreen, &port_priv->clip); } void glamor_xv_core_init(ScreenPtr screen) { glamorBrightness = MAKE_ATOM("XV_BRIGHTNESS"); glamorContrast = MAKE_ATOM("XV_CONTRAST"); glamorSaturation = MAKE_ATOM("XV_SATURATION"); glamorHue = MAKE_ATOM("XV_HUE"); glamorGamma = MAKE_ATOM("XV_GAMMA"); glamorColorspace = MAKE_ATOM("XV_COLORSPACE"); }