mirror of https://github.com/Genymobile/scrcpy
Extract sc_display from sc_screen
Move the display code to a separate component.macos_opengl
Romain Vimont
1 year ago
parent
2e532afd2b
commit
051b74c883
@ -0,0 +1,166 @@
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#include "display.h"
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#include <assert.h>
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#include "util/log.h"
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bool
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sc_display_init(struct sc_display *display, SDL_Window *window, bool mipmaps) {
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display->renderer =
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SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (!display->renderer) {
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LOGE("Could not create renderer: %s", SDL_GetError());
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return false;
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}
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SDL_RendererInfo renderer_info;
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int r = SDL_GetRendererInfo(display->renderer, &renderer_info);
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const char *renderer_name = r ? NULL : renderer_info.name;
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LOGI("Renderer: %s", renderer_name ? renderer_name : "(unknown)");
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display->mipmaps = false;
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// starts with "opengl"
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bool use_opengl = renderer_name && !strncmp(renderer_name, "opengl", 6);
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if (use_opengl) {
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struct sc_opengl *gl = &display->gl;
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sc_opengl_init(gl);
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LOGI("OpenGL version: %s", gl->version);
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if (mipmaps) {
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bool supports_mipmaps =
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sc_opengl_version_at_least(gl, 3, 0, /* OpenGL 3.0+ */
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2, 0 /* OpenGL ES 2.0+ */);
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if (supports_mipmaps) {
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LOGI("Trilinear filtering enabled");
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display->mipmaps = true;
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} else {
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LOGW("Trilinear filtering disabled "
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"(OpenGL 3.0+ or ES 2.0+ required");
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}
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} else {
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LOGI("Trilinear filtering disabled");
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}
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} else if (mipmaps) {
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LOGD("Trilinear filtering disabled (not an OpenGL renderer");
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}
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return true;
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}
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void
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sc_display_destroy(struct sc_display *display) {
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if (display->texture) {
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SDL_DestroyTexture(display->texture);
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}
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SDL_DestroyRenderer(display->renderer);
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}
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static SDL_Texture *
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sc_display_create_texture(struct sc_display *display,
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struct sc_size size) {
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SDL_Renderer *renderer = display->renderer;
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SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_YV12,
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SDL_TEXTUREACCESS_STREAMING,
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size.width, size.height);
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if (!texture) {
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LOGE("Could not create texture: %s", SDL_GetError());
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return NULL;
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}
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if (display->mipmaps) {
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struct sc_opengl *gl = &display->gl;
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SDL_GL_BindTexture(texture, NULL, NULL);
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// Enable trilinear filtering for downscaling
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
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GL_LINEAR_MIPMAP_LINEAR);
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gl->TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -1.f);
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SDL_GL_UnbindTexture(texture);
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}
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return texture;
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}
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bool
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sc_display_set_texture_size(struct sc_display *display, struct sc_size size) {
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if (display->texture) {
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SDL_DestroyTexture(display->texture);
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}
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display->texture = sc_display_create_texture(display, size);
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if (!display->texture) {
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return false;
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}
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LOGI("Texture: %" PRIu16 "x%" PRIu16, size.width, size.height);
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return true;
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}
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bool
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sc_display_update_texture(struct sc_display *display, const AVFrame *frame) {
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int ret = SDL_UpdateYUVTexture(display->texture, NULL,
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frame->data[0], frame->linesize[0],
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frame->data[1], frame->linesize[1],
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frame->data[2], frame->linesize[2]);
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if (ret) {
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LOGE("Could not update texture: %s", SDL_GetError());
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return false;
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}
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if (display->mipmaps) {
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SDL_GL_BindTexture(display->texture, NULL, NULL);
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display->gl.GenerateMipmap(GL_TEXTURE_2D);
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SDL_GL_UnbindTexture(display->texture);
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}
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return true;
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}
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bool
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sc_display_render(struct sc_display *display, const SDL_Rect *geometry,
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unsigned rotation) {
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SDL_RenderClear(display->renderer);
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SDL_Renderer *renderer = display->renderer;
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SDL_Texture *texture = display->texture;
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if (rotation == 0) {
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int ret = SDL_RenderCopy(renderer, texture, NULL, geometry);
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if (ret) {
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LOGE("Could not render texture: %s", SDL_GetError());
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return false;
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}
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} else {
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// rotation in RenderCopyEx() is clockwise, while screen->rotation is
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// counterclockwise (to be consistent with --lock-video-orientation)
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int cw_rotation = (4 - rotation) % 4;
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double angle = 90 * cw_rotation;
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const SDL_Rect *dstrect = NULL;
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SDL_Rect rect;
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if (rotation & 1) {
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rect.x = geometry->x + (geometry->w - geometry->h) / 2;
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rect.y = geometry->y + (geometry->h - geometry->w) / 2;
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rect.w = geometry->h;
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rect.h = geometry->w;
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dstrect = ▭
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} else {
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assert(rotation == 2);
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dstrect = geometry;
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}
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int ret = SDL_RenderCopyEx(renderer, texture, NULL, dstrect, angle,
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NULL, 0);
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if (ret) {
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LOGE("Could not render texture: %s", SDL_GetError());
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return false;
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}
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}
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SDL_RenderPresent(display->renderer);
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return true;
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}
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@ -0,0 +1,37 @@
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#ifndef SC_DISPLAY_H
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#define SC_DISPLAY_H
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#include "common.h"
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#include <stdbool.h>
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#include <libavformat/avformat.h>
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#include <SDL2/SDL.h>
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#include "coords.h"
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#include "opengl.h"
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struct sc_display {
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SDL_Renderer *renderer;
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SDL_Texture *texture;
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struct sc_opengl gl;
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bool mipmaps;
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};
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bool
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sc_display_init(struct sc_display *display, SDL_Window *window, bool mipmaps);
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void
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sc_display_destroy(struct sc_display *display);
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bool
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sc_display_set_texture_size(struct sc_display *display, struct sc_size size);
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bool
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sc_display_update_texture(struct sc_display *display, const AVFrame *frame);
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bool
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sc_display_render(struct sc_display *display, const SDL_Rect *geometry,
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unsigned rotation);
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#endif
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