diff options
Diffstat (limited to 'render/gles2/renderer.c')
| -rw-r--r-- | render/gles2/renderer.c | 479 |
1 files changed, 320 insertions, 159 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index ad739cf8..9403c0ed 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -2,143 +2,80 @@ #include <GLES2/gl2.h> #include <GLES2/gl2ext.h> #include <stdint.h> +#include <stdio.h> #include <stdlib.h> #include <wayland-server-protocol.h> #include <wayland-util.h> #include <wlr/backend.h> -#include <wlr/render.h> #include <wlr/render/egl.h> #include <wlr/render/interface.h> -#include <wlr/render/matrix.h> +#include <wlr/render/wlr_renderer.h> +#include <wlr/types/wlr_matrix.h> #include <wlr/util/log.h> #include "render/gles2.h" #include "glapi.h" -struct shaders shaders; - -static bool compile_shader(GLuint type, const GLchar *src, GLuint *shader) { - *shader = GL_CALL(glCreateShader(type)); - int len = strlen(src); - GL_CALL(glShaderSource(*shader, 1, &src, &len)); - GL_CALL(glCompileShader(*shader)); - GLint success; - GL_CALL(glGetShaderiv(*shader, GL_COMPILE_STATUS, &success)); - if (success == GL_FALSE) { - GLint loglen; - GL_CALL(glGetShaderiv(*shader, GL_INFO_LOG_LENGTH, &loglen)); - GLchar msg[loglen]; - GL_CALL(glGetShaderInfoLog(*shader, loglen, &loglen, msg)); - wlr_log(L_ERROR, "Shader compilation failed"); - wlr_log(L_ERROR, "%s", msg); - glDeleteShader(*shader); - return false; - } - return true; -} +static const struct wlr_renderer_impl renderer_impl; -static bool compile_program(const GLchar *vert_src, - const GLchar *frag_src, GLuint *program) { - GLuint vertex, fragment; - if (!compile_shader(GL_VERTEX_SHADER, vert_src, &vertex)) { - return false; - } - if (!compile_shader(GL_FRAGMENT_SHADER, frag_src, &fragment)) { - glDeleteShader(vertex); - return false; - } - *program = GL_CALL(glCreateProgram()); - GL_CALL(glAttachShader(*program, vertex)); - GL_CALL(glAttachShader(*program, fragment)); - GL_CALL(glLinkProgram(*program)); - GLint success; - GL_CALL(glGetProgramiv(*program, GL_LINK_STATUS, &success)); - if (success == GL_FALSE) { - GLint loglen; - GL_CALL(glGetProgramiv(*program, GL_INFO_LOG_LENGTH, &loglen)); - GLchar msg[loglen]; - GL_CALL(glGetProgramInfoLog(*program, loglen, &loglen, msg)); - wlr_log(L_ERROR, "Program link failed"); - wlr_log(L_ERROR, "%s", msg); - glDeleteProgram(*program); - glDeleteShader(vertex); - glDeleteShader(fragment); - return false; - } - glDetachShader(*program, vertex); - glDetachShader(*program, fragment); - glDeleteShader(vertex); - glDeleteShader(fragment); - - return true; +static struct wlr_gles2_renderer *gles2_get_renderer( + struct wlr_renderer *wlr_renderer) { + assert(wlr_renderer->impl == &renderer_impl); + struct wlr_gles2_renderer *renderer = + (struct wlr_gles2_renderer *)wlr_renderer; + assert(eglGetCurrentContext() == renderer->egl->context); + return renderer; } -static void init_default_shaders() { - if (shaders.initialized) { - return; - } - if (!compile_program(vertex_src, fragment_src_rgba, &shaders.rgba)) { - goto error; - } - if (!compile_program(vertex_src, fragment_src_rgbx, &shaders.rgbx)) { - goto error; - } - if (!compile_program(quad_vertex_src, quad_fragment_src, &shaders.quad)) { - goto error; - } - if (!compile_program(quad_vertex_src, ellipse_fragment_src, &shaders.ellipse)) { - goto error; - } - if (glEGLImageTargetTexture2DOES) { - if (!compile_program(quad_vertex_src, fragment_src_external, &shaders.external)) { - goto error; - } - } +static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width, + uint32_t height) { + gles2_get_renderer(wlr_renderer); - wlr_log(L_DEBUG, "Compiled default shaders"); - shaders.initialized = true; - return; -error: - wlr_log(L_ERROR, "Failed to set up default shaders!"); -} - -static void init_globals() { - init_default_shaders(); -} + GLES2_DEBUG_PUSH; -static void wlr_gles2_begin(struct wlr_renderer *wlr_renderer, - struct wlr_output *output) { - GL_CALL(glViewport(0, 0, output->width, output->height)); + glViewport(0, 0, width, height); // enable transparency - GL_CALL(glEnable(GL_BLEND)); - GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - // Note: maybe we should save output projection and remove some of the need + // XXX: maybe we should save output projection and remove some of the need // for users to sling matricies themselves + + GLES2_DEBUG_POP; } -static void wlr_gles2_end(struct wlr_renderer *wlr_renderer) { +static void gles2_end(struct wlr_renderer *wlr_renderer) { + gles2_get_renderer(wlr_renderer); // no-op } -static void wlr_gles2_clear(struct wlr_renderer *wlr_renderer, - const float (*color)[4]) { - glClearColor((*color)[0], (*color)[1], (*color)[2], (*color)[3]); +static void gles2_clear(struct wlr_renderer *wlr_renderer, + const float color[static 4]) { + gles2_get_renderer(wlr_renderer); + + GLES2_DEBUG_PUSH; + glClearColor(color[0], color[1], color[2], color[3]); glClear(GL_COLOR_BUFFER_BIT); + GLES2_DEBUG_POP; } -static void wlr_gles2_scissor(struct wlr_renderer *wlr_renderer, +static void gles2_scissor(struct wlr_renderer *wlr_renderer, struct wlr_box *box) { + gles2_get_renderer(wlr_renderer); + + GLES2_DEBUG_PUSH; if (box != NULL) { glScissor(box->x, box->y, box->width, box->height); glEnable(GL_SCISSOR_TEST); } else { glDisable(GL_SCISSOR_TEST); } + GLES2_DEBUG_POP; } -static struct wlr_texture *wlr_gles2_texture_create( +static struct wlr_texture *gles2_renderer_texture_create( struct wlr_renderer *wlr_renderer) { + assert(wlr_renderer->impl == &renderer_impl); struct wlr_gles2_renderer *renderer = (struct wlr_gles2_renderer *)wlr_renderer; return gles2_texture_create(renderer->egl); @@ -158,80 +95,117 @@ static void draw_quad() { 0, 1, // bottom left }; - GL_CALL(glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts)); - GL_CALL(glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord)); + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts); + glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord); - GL_CALL(glEnableVertexAttribArray(0)); - GL_CALL(glEnableVertexAttribArray(1)); + glEnableVertexAttribArray(0); + glEnableVertexAttribArray(1); - GL_CALL(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4)); + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); - GL_CALL(glDisableVertexAttribArray(0)); - GL_CALL(glDisableVertexAttribArray(1)); + glDisableVertexAttribArray(0); + glDisableVertexAttribArray(1); } -static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer, - struct wlr_texture *texture, const float (*matrix)[16], float alpha) { - if (!texture || !texture->valid) { +static bool gles2_render_texture_with_matrix( + struct wlr_renderer *wlr_renderer, struct wlr_texture *wlr_texture, + const float matrix[static 9], float alpha) { + struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); + struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); + if (!wlr_texture->valid) { wlr_log(L_ERROR, "attempt to render invalid texture"); return false; } - wlr_texture_bind(texture); - GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix)); - GL_CALL(glUniform1f(2, alpha)); + GLuint prog = renderer->shaders.tex_rgba; + if (texture->target == GL_TEXTURE_EXTERNAL_OES) { + prog = renderer->shaders.tex_ext; + } else if (!texture->pixel_format->has_alpha) { + prog = renderer->shaders.tex_rgbx; + } + + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + + GLES2_DEBUG_PUSH; + glBindTexture(texture->target, texture->tex_id); + glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glUseProgram(prog); + + glUniformMatrix3fv(0, 1, GL_FALSE, transposition); + glUniform1i(1, wlr_texture->inverted_y); + glUniform1f(3, alpha); draw_quad(); + GLES2_DEBUG_POP; return true; } -static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer, - const float (*color)[4], const float (*matrix)[16]) { - GL_CALL(glUseProgram(shaders.quad)); - GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix)); - GL_CALL(glUniform4f(1, (*color)[0], (*color)[1], (*color)[2], (*color)[3])); +static void gles2_render_quad(struct wlr_renderer *wlr_renderer, + const float color[static 4], const float matrix[static 9]) { + struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); + + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + + GLES2_DEBUG_PUSH; + glUseProgram(renderer->shaders.quad); + glUniformMatrix3fv(0, 1, GL_FALSE, transposition); + glUniform4f(1, color[0], color[1], color[2], color[3]); draw_quad(); + GLES2_DEBUG_POP; } -static void wlr_gles2_render_ellipse(struct wlr_renderer *wlr_renderer, - const float (*color)[4], const float (*matrix)[16]) { - GL_CALL(glUseProgram(shaders.ellipse)); - GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix)); - GL_CALL(glUniform4f(1, (*color)[0], (*color)[1], (*color)[2], (*color)[3])); +static void gles2_render_ellipse(struct wlr_renderer *wlr_renderer, + const float color[static 4], const float matrix[static 9]) { + struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); + + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + + GLES2_DEBUG_PUSH; + glUseProgram(renderer->shaders.ellipse); + glUniformMatrix3fv(0, 1, GL_FALSE, transposition); + glUniform4f(1, color[0], color[1], color[2], color[3]); draw_quad(); + GLES2_DEBUG_POP; } -static const enum wl_shm_format *wlr_gles2_formats( - struct wlr_renderer *renderer, size_t *len) { - static enum wl_shm_format formats[] = { - WL_SHM_FORMAT_ARGB8888, - WL_SHM_FORMAT_XRGB8888, - WL_SHM_FORMAT_ABGR8888, - WL_SHM_FORMAT_XBGR8888, - }; - *len = sizeof(formats) / sizeof(formats[0]); - return formats; +static const enum wl_shm_format *gles2_renderer_formats( + struct wlr_renderer *wlr_renderer, size_t *len) { + return gles2_formats(len); } -static bool wlr_gles2_buffer_is_drm(struct wlr_renderer *wlr_renderer, +static bool gles2_buffer_is_drm(struct wlr_renderer *wlr_renderer, struct wl_resource *buffer) { - struct wlr_gles2_renderer *renderer = - (struct wlr_gles2_renderer *)wlr_renderer; + struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); + EGLint format; - return wlr_egl_query_buffer(renderer->egl, buffer, - EGL_TEXTURE_FORMAT, &format); + return wlr_egl_query_buffer(renderer->egl, buffer, EGL_TEXTURE_FORMAT, + &format); } -static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer, +static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer, enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width, uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, void *data) { - const struct pixel_format *fmt = gl_format_for_wl_format(wl_fmt); + gles2_get_renderer(wlr_renderer); + + const struct gles2_pixel_format *fmt = gles2_format_from_wl(wl_fmt); if (fmt == NULL) { wlr_log(L_ERROR, "Cannot read pixels: unsupported pixel format"); return false; } + GLES2_DEBUG_PUSH; + // Make sure any pending drawing is finished before we try to read it glFinish(); @@ -243,38 +217,225 @@ static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer, fmt->gl_type, p + i * stride + dst_x * fmt->bpp / 8); } + GLES2_DEBUG_POP; + return true; } -static bool wlr_gles2_format_supported(struct wlr_renderer *r, +static bool gles2_format_supported(struct wlr_renderer *r, enum wl_shm_format wl_fmt) { - return gl_format_for_wl_format(wl_fmt); + return gles2_format_from_wl(wl_fmt) != NULL; +} + +static void gles2_destroy(struct wlr_renderer *wlr_renderer) { + struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); + + wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL); + + GLES2_DEBUG_PUSH; + glDeleteProgram(renderer->shaders.quad); + glDeleteProgram(renderer->shaders.ellipse); + glDeleteProgram(renderer->shaders.tex_rgba); + glDeleteProgram(renderer->shaders.tex_rgbx); + glDeleteProgram(renderer->shaders.tex_ext); + GLES2_DEBUG_POP; + + if (glDebugMessageCallbackKHR) { + glDisable(GL_DEBUG_OUTPUT_KHR); + glDebugMessageCallbackKHR(NULL, NULL); + } + + free(renderer); } -static struct wlr_renderer_impl wlr_renderer_impl = { - .begin = wlr_gles2_begin, - .end = wlr_gles2_end, - .clear = wlr_gles2_clear, - .scissor = wlr_gles2_scissor, - .texture_create = wlr_gles2_texture_create, - .render_with_matrix = wlr_gles2_render_texture, - .render_quad = wlr_gles2_render_quad, - .render_ellipse = wlr_gles2_render_ellipse, - .formats = wlr_gles2_formats, - .buffer_is_drm = wlr_gles2_buffer_is_drm, - .read_pixels = wlr_gles2_read_pixels, - .format_supported = wlr_gles2_format_supported, +static const struct wlr_renderer_impl renderer_impl = { + .destroy = gles2_destroy, + .begin = gles2_begin, + .end = gles2_end, + .clear = gles2_clear, + .scissor = gles2_scissor, + .texture_create = gles2_renderer_texture_create, + .render_texture_with_matrix = gles2_render_texture_with_matrix, + .render_quad = gles2_render_quad, + .render_ellipse = gles2_render_ellipse, + .formats = gles2_renderer_formats, + .buffer_is_drm = gles2_buffer_is_drm, + .read_pixels = gles2_read_pixels, + .format_supported = gles2_format_supported, }; +void gles2_push_marker(const char *file, const char *func) { + if (!glPushDebugGroupKHR) { + return; + } + + int len = snprintf(NULL, 0, "%s:%s", file, func) + 1; + char str[len]; + snprintf(str, len, "%s:%s", file, func); + glPushDebugGroupKHR(GL_DEBUG_SOURCE_APPLICATION_KHR, 1, -1, str); +} + +void gles2_pop_marker(void) { + if (glPopDebugGroupKHR) { + glPopDebugGroupKHR(); + } +} + +static log_importance_t gles2_log_importance_to_wlr(GLenum type) { + switch (type) { + case GL_DEBUG_TYPE_ERROR_KHR: return L_ERROR; + case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_KHR: return L_DEBUG; + case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_KHR: return L_ERROR; + case GL_DEBUG_TYPE_PORTABILITY_KHR: return L_DEBUG; + case GL_DEBUG_TYPE_PERFORMANCE_KHR: return L_DEBUG; + case GL_DEBUG_TYPE_OTHER_KHR: return L_INFO; + case GL_DEBUG_TYPE_MARKER_KHR: return L_DEBUG; + case GL_DEBUG_TYPE_PUSH_GROUP_KHR: return L_DEBUG; + case GL_DEBUG_TYPE_POP_GROUP_KHR: return L_DEBUG; + default: return L_INFO; + } +} + +static void gles2_log(GLenum src, GLenum type, GLuint id, GLenum severity, + GLsizei len, const GLchar *msg, const void *user) { + _wlr_log(gles2_log_importance_to_wlr(type), "[GLES2] %s", msg); +} + +static GLuint compile_shader(GLuint type, const GLchar *src) { + GLES2_DEBUG_PUSH; + + GLuint shader = glCreateShader(type); + glShaderSource(shader, 1, &src, NULL); + glCompileShader(shader); + + GLint ok; + glGetShaderiv(shader, GL_COMPILE_STATUS, &ok); + if (ok == GL_FALSE) { + glDeleteShader(shader); + shader = 0; + } + + GLES2_DEBUG_POP; + return shader; +} + +static GLuint link_program(const GLchar *vert_src, const GLchar *frag_src) { + GLES2_DEBUG_PUSH; + + GLuint vert = compile_shader(GL_VERTEX_SHADER, vert_src); + if (!vert) { + goto error; + } + + GLuint frag = compile_shader(GL_FRAGMENT_SHADER, frag_src); + if (!frag) { + glDeleteShader(vert); + goto error; + } + + GLuint prog = glCreateProgram(); + glAttachShader(prog, vert); + glAttachShader(prog, frag); + glLinkProgram(prog); + + glDetachShader(prog, vert); + glDetachShader(prog, frag); + glDeleteShader(vert); + glDeleteShader(frag); + + GLint ok; + glGetProgramiv(prog, GL_LINK_STATUS, &ok); + if (ok == GL_FALSE) { + glDeleteProgram(prog); + goto error; + } + + GLES2_DEBUG_POP; + return prog; + +error: + GLES2_DEBUG_POP; + return 0; +} + +extern const GLchar quad_vertex_src[]; +extern const GLchar quad_fragment_src[]; +extern const GLchar ellipse_fragment_src[]; +extern const GLchar tex_vertex_src[]; +extern const GLchar tex_fragment_src_rgba[]; +extern const GLchar tex_fragment_src_rgbx[]; +extern const GLchar tex_fragment_src_external[]; + struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_backend *backend) { - init_globals(); - struct wlr_gles2_renderer *renderer; - if (!(renderer = calloc(1, sizeof(struct wlr_gles2_renderer)))) { + struct wlr_gles2_renderer *renderer = + calloc(1, sizeof(struct wlr_gles2_renderer)); + if (renderer == NULL) { return NULL; } - wlr_renderer_init(&renderer->wlr_renderer, &wlr_renderer_impl); + wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl); renderer->egl = wlr_backend_get_egl(backend); + wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL); + + if (glDebugMessageCallbackKHR && glDebugMessageControlKHR) { + glEnable(GL_DEBUG_OUTPUT_KHR); + glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR); + glDebugMessageCallbackKHR(gles2_log, NULL); + + // Silence unwanted message types + glDebugMessageControlKHR(GL_DONT_CARE, GL_DEBUG_TYPE_POP_GROUP_KHR, + GL_DONT_CARE, 0, NULL, GL_FALSE); + glDebugMessageControlKHR(GL_DONT_CARE, GL_DEBUG_TYPE_PUSH_GROUP_KHR, + GL_DONT_CARE, 0, NULL, GL_FALSE); + } + + GLES2_DEBUG_PUSH; + + renderer->shaders.quad = link_program(quad_vertex_src, quad_fragment_src); + if (!renderer->shaders.quad) { + goto error; + } + renderer->shaders.ellipse = + link_program(quad_vertex_src, ellipse_fragment_src); + if (!renderer->shaders.ellipse) { + goto error; + } + renderer->shaders.tex_rgba = + link_program(tex_vertex_src, tex_fragment_src_rgba); + if (!renderer->shaders.tex_rgba) { + goto error; + } + renderer->shaders.tex_rgbx = + link_program(tex_vertex_src, tex_fragment_src_rgbx); + if (!renderer->shaders.tex_rgbx) { + goto error; + } + if (glEGLImageTargetTexture2DOES) { + renderer->shaders.tex_ext = + link_program(tex_vertex_src, tex_fragment_src_external); + if (!renderer->shaders.tex_ext) { + goto error; + } + } + + GLES2_DEBUG_POP; return &renderer->wlr_renderer; + +error: + glDeleteProgram(renderer->shaders.quad); + glDeleteProgram(renderer->shaders.ellipse); + glDeleteProgram(renderer->shaders.tex_rgba); + glDeleteProgram(renderer->shaders.tex_rgbx); + glDeleteProgram(renderer->shaders.tex_ext); + + GLES2_DEBUG_POP; + + if (glDebugMessageCallbackKHR) { + glDisable(GL_DEBUG_OUTPUT_KHR); + glDebugMessageCallbackKHR(NULL, NULL); + } + + free(renderer); + return NULL; } |