mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-25 08:32:30 +00:00
Use constant VBO for quad, add matrix stuff
This commit is contained in:
Drew DeVault
parent
cda12a3eda
commit
fc1dc1b5b0
@ -63,5 +63,6 @@ add_subdirectory(backend)
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add_subdirectory(common)
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add_subdirectory(types)
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add_subdirectory(session)
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add_subdirectory(render)
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add_subdirectory(example)
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@ -20,4 +20,5 @@ add_executable(rotation
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target_link_libraries(rotation
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wlr-backend
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wlr-session
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wlr-render
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)
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@ -8,6 +8,7 @@
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#include <wayland-server.h>
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#include <wayland-server-protocol.h>
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#include <GLES3/gl3.h>
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#include <wlr/render/matrix.h>
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#include <wlr/backend.h>
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#include <wlr/session.h>
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#include <wlr/types.h>
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@ -15,29 +16,24 @@
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#include "cat.h"
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static const GLchar vert_src[] =
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"#version 310 es\n"
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"precision mediump float;\n"
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"layout(location = 0) uniform mat4 transform;\n"
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"layout(location = 0) in vec2 pos;\n"
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"layout(location = 1) in vec2 texcoord;\n"
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"out vec2 v_texcoord;\n"
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"uniform mat4 proj;\n"
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"attribute vec2 pos;\n"
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"attribute vec2 texcoord;\n"
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"varying vec2 v_texcoord;\n"
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"void main() {\n"
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" gl_Position = proj * vec4(pos, 0.0, 1.0);\n"
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" v_texcoord = texcoord;\n"
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" gl_Position = transform * vec4(pos, 0.0, 1.0);\n"
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"}\n";
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static const GLchar frag_src[] =
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"#version 310 es\n"
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"precision mediump float;\n"
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"in vec2 v_texcoord;\n"
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"out vec4 color;\n"
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"uniform sampler2D texture0;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D tex;\n"
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"void main() {\n"
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" color = texture(texture0, v_texcoord);\n"
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" gl_FragColor = texture2D(tex, v_texcoord);\n"
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"}\n";
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struct state {
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struct timespec last_frame;
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struct wl_listener output_add;
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struct wl_listener output_remove;
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struct wl_list outputs;
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@ -53,10 +49,13 @@ struct state {
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};
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struct output_state {
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struct timespec last_frame;
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struct wl_list link;
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struct wlr_output *output;
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struct state *state;
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struct wl_listener frame;
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float x, y;
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float vel_x, vel_y;
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};
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struct output_config {
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@ -120,14 +119,6 @@ static void init_gl(struct gl *gl) {
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0, 0, 0, 0, // top left
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0, 1, 0, 1, // bottom left
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};
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// Temporary
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for (size_t i = 0; i < sizeof(verticies) / sizeof(verticies[0]); i += 4) {
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verticies[i] *= 128.0f;
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verticies[i + 1] *= 128.0f;
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verticies[i] += 128;
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verticies[i + 1] += 128;
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}
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// End temp
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GLuint indicies[] = {
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0, 1, 3,
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1, 2, 3,
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@ -164,14 +155,16 @@ static void cleanup_gl(struct gl *gl) {
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static void output_frame(struct wl_listener *listener, void *data) {
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struct output_state *ostate = wl_container_of(listener, ostate, frame);
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struct wlr_output *output = ostate->output;
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struct state *s = ostate->state;
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glClearColor(0, 0, 0, 1);
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glClearColor(0.25f, 0.25f, 0.25f, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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int32_t width = ostate->output->width;
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int32_t height = ostate->output->height;
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int32_t width = output->width;
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int32_t height = output->height;
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glViewport(0, 0, width, height);
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wlr_output_effective_resolution(output, &width, &height);
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glUseProgram(s->gl.prog);
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@ -183,13 +176,33 @@ static void output_frame(struct wl_listener *listener, void *data) {
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glUniformMatrix4fv(0, 1, GL_TRUE, ostate->output->transform_matrix);
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float world[16], final[16];
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wlr_matrix_identity(&final);
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wlr_matrix_translate(&world, ostate->x, ostate->y, 0);
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wlr_matrix_mul(&final, &world, &final);
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wlr_matrix_scale(&world, 128, 128, 1);
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wlr_matrix_mul(&final, &world, &final);
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wlr_matrix_mul(&output->transform_matrix, &final, &final);
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glUniformMatrix4fv(0, 1, GL_TRUE, final);
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glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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s->last_frame = now;
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long ms = (now.tv_sec - ostate->last_frame.tv_sec) * 1000 +
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(now.tv_nsec - ostate->last_frame.tv_nsec) / 1000000;
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float seconds = ms / 1000.0f;
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ostate->x += ostate->vel_x * seconds;
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ostate->y += ostate->vel_y * seconds;
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if (ostate->y > height - 128) {
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ostate->vel_y = -ostate->vel_y;
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} else {
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ostate->vel_y += 50 * seconds;
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}
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if (ostate->x > width - 128 || ostate->x < 0) {
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ostate->vel_x = -ostate->vel_x;
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}
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ostate->last_frame = now;
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}
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static void output_add(struct wl_listener *listener, void *data) {
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@ -201,9 +214,13 @@ static void output_add(struct wl_listener *listener, void *data) {
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struct output_state *ostate = calloc(1, sizeof(struct output_state));
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clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
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ostate->output = output;
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ostate->state = state;
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ostate->frame.notify = output_frame;
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ostate->x = ostate->y = 0;
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ostate->vel_x = 100;
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ostate->vel_y = 0;
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struct output_config *conf;
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wl_list_for_each(conf, &state->config, link) {
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@ -314,7 +331,6 @@ int main(int argc, char *argv[]) {
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wl_list_init(&state.config);
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wl_list_init(&state.output_add.link);
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wl_list_init(&state.output_remove.link);
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clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
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parse_args(argc, argv, &state.config);
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@ -344,7 +360,7 @@ int main(int argc, char *argv[]) {
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struct wl_event_source *timer = wl_event_loop_add_timer(event_loop,
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timer_done, &done);
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wl_event_source_timer_update(timer, 10000);
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wl_event_source_timer_update(timer, 30000);
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while (!done) {
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wl_event_loop_dispatch(event_loop, 0);
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10
include/wlr/render/matrix.h
Normal file
10
include/wlr/render/matrix.h
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@ -0,0 +1,10 @@
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#ifndef _WLR_RENDER_MATRIX_H
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#define _WLR_RENDER_MATRIX_H
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void wlr_matrix_identity(float (*output)[16]);
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void wlr_matrix_translate(float (*output)[16], float x, float y, float z);
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void wlr_matrix_scale(float (*output)[16], float x, float y, float z);
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void wlr_matrix_rotate(float (*output)[16], float radians);
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void wlr_matrix_mul(float (*x)[16], float (*y)[16], float (*product)[16]);
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#endif
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@ -47,5 +47,7 @@ bool wlr_output_set_mode(struct wlr_output *output,
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void wlr_output_transform(struct wlr_output *output,
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enum wl_output_transform transform);
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void wlr_output_destroy(struct wlr_output *output);
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void wlr_output_effective_resolution(struct wlr_output *output,
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int *width, int *height);
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#endif
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3
render/CMakeLists.txt
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3
render/CMakeLists.txt
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@ -0,0 +1,3 @@
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add_library(wlr-render STATIC
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matrix.c
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)
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83
render/matrix.c
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83
render/matrix.c
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@ -0,0 +1,83 @@
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#include <string.h>
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#include <math.h>
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#include <wlr/render/matrix.h>
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/* Obtains the index for the given row/column */
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static inline int mind(int row, int col) {
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return (row - 1) * 4 + col - 1;
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}
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void wlr_matrix_identity(float (*output)[16]) {
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static const float identity[16] = {
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1.0f, 0.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 0.0f, 1.0f
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};
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memcpy(*output, identity, sizeof(identity));
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}
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void wlr_matrix_translate(float (*output)[16], float x, float y, float z) {
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wlr_matrix_identity(output);
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(*output)[mind(1, 4)] = x;
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(*output)[mind(2, 4)] = y;
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(*output)[mind(3, 4)] = z;
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}
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void wlr_matrix_scale(float (*output)[16], float x, float y, float z) {
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wlr_matrix_identity(output);
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(*output)[mind(1, 1)] = x;
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(*output)[mind(2, 2)] = y;
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(*output)[mind(3, 3)] = z;
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}
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void wlr_matrix_rotate(float (*output)[16], float radians) {
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wlr_matrix_identity(output);
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float _cos = cosf(radians);
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float _sin = sinf(radians);
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(*output)[mind(1, 1)] = _cos;
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(*output)[mind(1, 2)] = _sin;
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(*output)[mind(2, 1)] = -_sin;
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(*output)[mind(2, 2)] = _cos;
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}
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void wlr_matrix_mul(float (*x)[16], float (*y)[16], float (*product)[16]) {
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float _product[16] = {
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(*x)[mind(1, 1)] * (*y)[mind(1, 1)] + (*x)[mind(1, 2)] * (*y)[mind(2, 1)] +
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(*x)[mind(1, 3)] * (*y)[mind(3, 1)] + (*x)[mind(1, 4)] * (*y)[mind(4, 1)],
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(*x)[mind(1, 1)] * (*y)[mind(1, 2)] + (*x)[mind(1, 2)] * (*y)[mind(2, 2)] +
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(*x)[mind(1, 3)] * (*y)[mind(3, 2)] + (*x)[mind(1, 4)] * (*y)[mind(4, 2)],
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(*x)[mind(1, 1)] * (*y)[mind(1, 3)] + (*x)[mind(1, 2)] * (*y)[mind(2, 3)] +
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(*x)[mind(1, 3)] * (*y)[mind(3, 3)] + (*x)[mind(1, 4)] * (*y)[mind(4, 3)],
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(*x)[mind(1, 1)] * (*y)[mind(1, 4)] + (*x)[mind(1, 2)] * (*y)[mind(2, 4)] +
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(*x)[mind(1, 4)] * (*y)[mind(3, 4)] + (*x)[mind(1, 4)] * (*y)[mind(4, 4)],
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(*x)[mind(2, 1)] * (*y)[mind(1, 1)] + (*x)[mind(2, 2)] * (*y)[mind(2, 1)] +
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(*x)[mind(2, 3)] * (*y)[mind(3, 1)] + (*x)[mind(2, 4)] * (*y)[mind(4, 1)],
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(*x)[mind(2, 1)] * (*y)[mind(1, 2)] + (*x)[mind(2, 2)] * (*y)[mind(2, 2)] +
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(*x)[mind(2, 3)] * (*y)[mind(3, 2)] + (*x)[mind(2, 4)] * (*y)[mind(4, 2)],
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(*x)[mind(2, 1)] * (*y)[mind(1, 3)] + (*x)[mind(2, 2)] * (*y)[mind(2, 3)] +
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(*x)[mind(2, 3)] * (*y)[mind(3, 3)] + (*x)[mind(2, 4)] * (*y)[mind(4, 3)],
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(*x)[mind(2, 1)] * (*y)[mind(1, 4)] + (*x)[mind(2, 2)] * (*y)[mind(2, 4)] +
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(*x)[mind(2, 4)] * (*y)[mind(3, 4)] + (*x)[mind(2, 4)] * (*y)[mind(4, 4)],
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(*x)[mind(3, 1)] * (*y)[mind(1, 1)] + (*x)[mind(3, 2)] * (*y)[mind(2, 1)] +
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(*x)[mind(3, 3)] * (*y)[mind(3, 1)] + (*x)[mind(3, 4)] * (*y)[mind(4, 1)],
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(*x)[mind(3, 1)] * (*y)[mind(1, 2)] + (*x)[mind(3, 2)] * (*y)[mind(2, 2)] +
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(*x)[mind(3, 3)] * (*y)[mind(3, 2)] + (*x)[mind(3, 4)] * (*y)[mind(4, 2)],
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(*x)[mind(3, 1)] * (*y)[mind(1, 3)] + (*x)[mind(3, 2)] * (*y)[mind(2, 3)] +
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(*x)[mind(3, 3)] * (*y)[mind(3, 3)] + (*x)[mind(3, 4)] * (*y)[mind(4, 3)],
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(*x)[mind(3, 1)] * (*y)[mind(1, 4)] + (*x)[mind(3, 2)] * (*y)[mind(2, 4)] +
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(*x)[mind(3, 4)] * (*y)[mind(3, 4)] + (*x)[mind(3, 4)] * (*y)[mind(4, 4)],
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(*x)[mind(4, 1)] * (*y)[mind(1, 1)] + (*x)[mind(4, 2)] * (*y)[mind(2, 1)] +
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(*x)[mind(4, 3)] * (*y)[mind(3, 1)] + (*x)[mind(4, 4)] * (*y)[mind(4, 1)],
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(*x)[mind(4, 1)] * (*y)[mind(1, 2)] + (*x)[mind(4, 2)] * (*y)[mind(2, 2)] +
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(*x)[mind(4, 3)] * (*y)[mind(3, 2)] + (*x)[mind(4, 4)] * (*y)[mind(4, 2)],
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(*x)[mind(4, 1)] * (*y)[mind(1, 3)] + (*x)[mind(4, 2)] * (*y)[mind(2, 3)] +
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(*x)[mind(4, 3)] * (*y)[mind(3, 3)] + (*x)[mind(4, 4)] * (*y)[mind(4, 3)],
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(*x)[mind(4, 1)] * (*y)[mind(1, 4)] + (*x)[mind(4, 2)] * (*y)[mind(2, 4)] +
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(*x)[mind(4, 4)] * (*y)[mind(3, 4)] + (*x)[mind(4, 4)] * (*y)[mind(4, 4)],
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};
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memcpy(*product, _product, sizeof(_product));
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}
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@ -100,3 +100,15 @@ void wlr_output_destroy(struct wlr_output *output) {
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list_free(output->modes);
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free(output);
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}
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void wlr_output_effective_resolution(struct wlr_output *output,
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int *width, int *height) {
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// TODO: Scale factor
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if (output->transform % 2 == 1) {
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*width = output->height;
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*height = output->width;
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} else {
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*width = output->width;
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*height = output->height;
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}
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}
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