From f16447ccbcaba0e4ec6820a420b27c07d2c12890 Mon Sep 17 00:00:00 2001 From: Gwenole Beauchesne Date: Fri, 20 Apr 2012 11:44:06 +0200 Subject: compositor: handle YUV buffers. Signed-off-by: Gwenole Beauchesne --- src/compositor-wayland.c | 2 +- src/compositor.c | 78 ++++++++++++++++++++++++++++++++++++++---------- src/compositor.h | 2 +- 3 files changed, 64 insertions(+), 18 deletions(-) diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c index 34fb08c..a2bf696 100644 --- a/src/compositor-wayland.c +++ b/src/compositor-wayland.c @@ -185,7 +185,7 @@ draw_border(struct wayland_output *output) glUniformMatrix4fv(shader->proj_uniform, 1, GL_FALSE, output->base.matrix.d); - glUniform1i(shader->tex_uniform, 0); + glUniform1i(shader->tex_uniforms[0], 0); glUniform1f(shader->alpha_uniform, 1); glUniform1f(shader->texwidth_uniform, 1); diff --git a/src/compositor.c b/src/compositor.c index 0b9c2aa..1039cf7 100644 --- a/src/compositor.c +++ b/src/compositor.c @@ -760,6 +760,8 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) { struct weston_surface *es = (struct weston_surface *) surface; struct weston_compositor *ec = es->compositor; + EGLint *attribs, attrib_list[2*4+1]; + unsigned int i, num_planes; if (es->buffer) { weston_buffer_post_release(es->buffer); @@ -799,18 +801,56 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) else es->blend = 1; } else { - destroy_image(ec, &es->images[0]); - es->images[0] = ec->create_image(ec->display, NULL, - EGL_WAYLAND_BUFFER_WL, - buffer, NULL); - es->num_images = 1; - - ensure_textures(es, 1); - glBindTexture(GL_TEXTURE_2D, es->textures[0]); - ec->image_target_texture_2d(GL_TEXTURE_2D, es->images[0]); - + for (i = 0; i < es->num_images; i++) + destroy_image(ec, &es->images[i]); + es->num_images = 0; + + switch (buffer->format) { + case WL_BUFFER_FORMAT_ARGB8888: + case WL_BUFFER_FORMAT_XRGB8888: + num_planes = 1; + es->shader = &ec->texture_shader_rgba; + break; + case WL_BUFFER_FORMAT_NV12: + num_planes = 2; + es->shader = &ec->texture_shader_nv12; + break; + case WL_BUFFER_FORMAT_YUV410: + case WL_BUFFER_FORMAT_YUV411: + case WL_BUFFER_FORMAT_YUV420: + case WL_BUFFER_FORMAT_YUV422: + case WL_BUFFER_FORMAT_YUV444: + num_planes = 3; + es->shader = &ec->texture_shader_yuv8; + break; + default: + num_planes = 1; + es->shader = &ec->texture_shader_rgba; + break; + } es->pitch = buffer->width; - es->shader = &ec->texture_shader_rgba; + + ensure_textures(es, num_planes); + for (i = 0; i < num_planes; i++) { + attribs = attrib_list; + *attribs++ = EGL_WAYLAND_BUFFER_PLANE_ID_WL; + *attribs++ = i; + *attribs++ = EGL_NONE; + es->images[i] = ec->create_image( + ec->display, NULL, + EGL_WAYLAND_BUFFER_WL, + buffer, attrib_list + ); + if (!es->images[i]) + continue; + es->num_images++; + + glActiveTexture(GL_TEXTURE0 + i); + glBindTexture(GL_TEXTURE_2D, es->textures[i]); + ec->image_target_texture_2d(GL_TEXTURE_2D, es->images[i]); + glBindTexture(GL_TEXTURE_2D, 0); + } + glActiveTexture(GL_TEXTURE0); } } @@ -878,6 +918,7 @@ weston_surface_draw(struct weston_surface *es, struct weston_output *output, GLfloat *v; pixman_region32_t repaint; GLint filter; + unsigned int i; int n; pixman_region32_init(&repaint); @@ -901,7 +942,6 @@ weston_surface_draw(struct weston_surface *es, struct weston_output *output, glUniformMatrix4fv(es->shader->proj_uniform, 1, GL_FALSE, output->matrix.d); - glUniform1i(es->shader->tex_uniform, 0); glUniform4fv(es->shader->color_uniform, 1, es->color); glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0); glUniform1f(es->shader->brightness_uniform, es->brightness / 255.0); @@ -917,9 +957,13 @@ weston_surface_draw(struct weston_surface *es, struct weston_output *output, n = texture_region(es, &repaint); - glBindTexture(GL_TEXTURE_2D, es->textures[0]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); + for (i = 0; i < es->num_textures; i++) { + glUniform1i(es->shader->tex_uniforms[i], i); + glActiveTexture(GL_TEXTURE0 + i); + glBindTexture(GL_TEXTURE_2D, es->textures[i]); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); + } v = ec->vertices.data; glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]); @@ -2498,7 +2542,9 @@ weston_shader_init(struct weston_shader *shader, } shader->proj_uniform = glGetUniformLocation(shader->program, "proj"); - shader->tex_uniform = glGetUniformLocation(shader->program, "tex"); + shader->tex_uniforms[0] = glGetUniformLocation(shader->program, "tex"); + shader->tex_uniforms[1] = glGetUniformLocation(shader->program, "tex1"); + shader->tex_uniforms[2] = glGetUniformLocation(shader->program, "tex2"); shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha"); shader->brightness_uniform = glGetUniformLocation(shader->program, "bright"); shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation"); diff --git a/src/compositor.h b/src/compositor.h index 7720c5c..87062a4 100644 --- a/src/compositor.h +++ b/src/compositor.h @@ -160,7 +160,7 @@ struct weston_shader { GLuint program; GLuint vertex_shader, fragment_shader; GLint proj_uniform; - GLint tex_uniform; + GLint tex_uniforms[WL_BUFFER_MAX_PLANES]; GLint alpha_uniform; GLint brightness_uniform; GLint saturation_uniform; -- cgit v1.2.3