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comparison render_sdl.c @ 2492:88210caedc53

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Get rect fills for Pico pad working in GL mode
author Michael Pavone <pavone@retrodev.com>
date Wed, 17 Apr 2024 22:14:37 -0700
parents a0837ea61fda
children b62336ceb626
comparison
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2491:6c834c281fa2 2492:88210caedc53
42 #ifndef DISABLE_OPENGL 42 #ifndef DISABLE_OPENGL
43 SDL_GLContext *gl_context; 43 SDL_GLContext *gl_context;
44 uint32_t *texture_buf; 44 uint32_t *texture_buf;
45 uint32_t tex_width; 45 uint32_t tex_width;
46 uint32_t tex_height; 46 uint32_t tex_height;
47 GLuint gl_texture; 47 GLuint gl_texture[2];
48 GLuint *gl_static_images; 48 GLuint *gl_static_images;
49 GLuint vshader; 49 GLuint vshader;
50 GLuint fshader; 50 GLuint fshader;
51 GLuint program; 51 GLuint program;
52 GLuint gl_buffers[3]; 52 GLuint gl_buffers[3];
55 GLint un_texture; 55 GLint un_texture;
56 GLint un_width; 56 GLint un_width;
57 GLint un_height; 57 GLint un_height;
58 GLint at_pos; 58 GLint at_pos;
59 GLint at_uv; 59 GLint at_uv;
60 uint8_t color[4];
60 #endif 61 #endif
61 } extra_window; 62 } extra_window;
62 63
63 static SDL_Window *main_window; 64 static SDL_Window *main_window;
64 static extra_window *extras; 65 static extra_window *extras;
1547 if (render_gl) { 1548 if (render_gl) {
1548 extras[win_idx].gl_context = SDL_GL_CreateContext(extras[win_idx].win); 1549 extras[win_idx].gl_context = SDL_GL_CreateContext(extras[win_idx].win);
1549 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context); 1550 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context);
1550 glEnable(GL_DEBUG_OUTPUT); 1551 glEnable(GL_DEBUG_OUTPUT);
1551 glDebugMessageCallback(gl_message_callback, NULL); 1552 glDebugMessageCallback(gl_message_callback, NULL);
1552 glGenTextures(1, &extras[win_idx].gl_texture); 1553 glGenTextures(2, extras[win_idx].gl_texture);
1553 glBindTexture(GL_TEXTURE_2D, extras[win_idx].gl_texture); 1554 for (int i = 0; i < 2; i++)
1554 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 1555 {
1555 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1556 glBindTexture(GL_TEXTURE_2D, extras[win_idx].gl_texture[i]);
1556 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 1557 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1557 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 1558 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1558 extras[win_idx].tex_width = width; 1559 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1559 extras[win_idx].tex_height = height; 1560 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1560 char *npot_textures = tern_find_path_default(config, "video\0npot_textures\0", (tern_val){.ptrval = "off"}, TVAL_PTR).ptrval; 1561 if (i) {
1561 if (strcmp(npot_textures, "on")) { 1562 glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT, 1, 1, 0, SRC_FORMAT, GL_UNSIGNED_BYTE, extras[win_idx].color);
1562 extras[win_idx].tex_width = nearest_pow2(width); 1563 } else {
1563 extras[win_idx].tex_height = nearest_pow2(height); 1564 extras[win_idx].tex_width = width;
1564 } 1565 extras[win_idx].tex_height = height;
1565 extras[win_idx].texture_buf = calloc(extras[win_idx].tex_width * extras[win_idx].tex_height, sizeof(uint32_t)); 1566 char *npot_textures = tern_find_path_default(config, "video\0npot_textures\0", (tern_val){.ptrval = "off"}, TVAL_PTR).ptrval;
1566 glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT, extras[win_idx].tex_width, extras[win_idx].tex_height, 0, SRC_FORMAT, GL_UNSIGNED_BYTE, extras[win_idx].texture_buf); 1567 if (strcmp(npot_textures, "on")) {
1568 extras[win_idx].tex_width = nearest_pow2(width);
1569 extras[win_idx].tex_height = nearest_pow2(height);
1570 }
1571 extras[win_idx].texture_buf = calloc(extras[win_idx].tex_width * extras[win_idx].tex_height, sizeof(uint32_t));
1572 glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT, extras[win_idx].tex_width, extras[win_idx].tex_height, 0, SRC_FORMAT, GL_UNSIGNED_BYTE, extras[win_idx].texture_buf);
1573 }
1574 }
1567 glGenBuffers(3, extras[win_idx].gl_buffers); 1575 glGenBuffers(3, extras[win_idx].gl_buffers);
1568 glBindBuffer(GL_ARRAY_BUFFER, extras[win_idx].gl_buffers[0]); 1576 glBindBuffer(GL_ARRAY_BUFFER, extras[win_idx].gl_buffers[0]);
1569 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data_default), vertex_data_default, GL_STATIC_DRAW); 1577 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data_default), vertex_data_default, GL_STATIC_DRAW);
1570 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, extras[win_idx].gl_buffers[1]); 1578 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, extras[win_idx].gl_buffers[1]);
1571 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW); 1579 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
1587 extras[win_idx].un_texture = glGetUniformLocation(program, "texture"); 1595 extras[win_idx].un_texture = glGetUniformLocation(program, "texture");
1588 extras[win_idx].un_width = glGetUniformLocation(program, "width"); 1596 extras[win_idx].un_width = glGetUniformLocation(program, "width");
1589 extras[win_idx].un_height = glGetUniformLocation(program, "height"); 1597 extras[win_idx].un_height = glGetUniformLocation(program, "height");
1590 extras[win_idx].at_pos = glGetAttribLocation(program, "pos"); 1598 extras[win_idx].at_pos = glGetAttribLocation(program, "pos");
1591 extras[win_idx].at_uv = glGetAttribLocation(program, "uv"); 1599 extras[win_idx].at_uv = glGetAttribLocation(program, "uv");
1600 extras[win_idx].color[3] = 255;
1592 } else { 1601 } else {
1593 sdl_renderer: 1602 sdl_renderer:
1594 #endif 1603 #endif
1595 extras[win_idx].renderer = SDL_CreateRenderer(extras[win_idx].win, -1, SDL_RENDERER_ACCELERATED); 1604 extras[win_idx].renderer = SDL_CreateRenderer(extras[win_idx].win, -1, SDL_RENDERER_ACCELERATED);
1596 if (!extras[win_idx].renderer) { 1605 if (!extras[win_idx].renderer) {
1619 uint8_t win_idx = which - FRAMEBUFFER_USER_START; 1628 uint8_t win_idx = which - FRAMEBUFFER_USER_START;
1620 if (extras[win_idx].renderer) { 1629 if (extras[win_idx].renderer) {
1621 //Destroying the renderers also frees the textures 1630 //Destroying the renderers also frees the textures
1622 SDL_DestroyRenderer(extras[win_idx].renderer); 1631 SDL_DestroyRenderer(extras[win_idx].renderer);
1623 extras[win_idx].renderer = NULL; 1632 extras[win_idx].renderer = NULL;
1633 free (extras[win_idx].static_images);
1634 extras[win_idx].static_images = NULL;
1624 } 1635 }
1625 #ifndef DISABLE_OPENGL 1636 #ifndef DISABLE_OPENGL
1626 else { 1637 else {
1627 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context); 1638 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context);
1628 glDeleteProgram(extras[win_idx].program); 1639 glDeleteProgram(extras[win_idx].program);
1629 glDeleteShader(extras[win_idx].vshader); 1640 glDeleteShader(extras[win_idx].vshader);
1630 glDeleteShader(extras[win_idx].fshader); 1641 glDeleteShader(extras[win_idx].fshader);
1631 glDeleteBuffers(2, extras[win_idx].gl_buffers); 1642 glDeleteBuffers(3, extras[win_idx].gl_buffers);
1632 glDeleteTextures(1, &extras[win_idx].gl_texture); 1643 glDeleteTextures(2, extras[win_idx].gl_texture);
1644 for (uint8_t i = 0; i < extras[win_idx].num_static; i++)
1645 {
1646 if (extras[win_idx].gl_static_images[i]) {
1647 glDeleteTextures(1, extras[win_idx].gl_static_images + i);
1648 }
1649 }
1633 SDL_GL_DeleteContext(extras[win_idx].gl_context); 1650 SDL_GL_DeleteContext(extras[win_idx].gl_context);
1651 free(extras[win_idx].image_vertices);
1652 extras[win_idx].image_vertices = NULL;
1653 free(extras[win_idx].gl_static_images);
1654 extras[win_idx].gl_static_images = NULL;
1634 } 1655 }
1635 #endif 1656 #endif
1636 SDL_DestroyWindow(extras[win_idx].win); 1657 SDL_DestroyWindow(extras[win_idx].win);
1637 1658
1638 extras[win_idx].win = NULL; 1659 extras[win_idx].win = NULL;
1660 extras[win_idx].num_static = 0;
1639 } 1661 }
1640 1662
1641 #ifndef DISABLE_OPENGL 1663 #ifndef DISABLE_OPENGL
1642 static void extra_draw_quad(extra_window *extra, GLuint texture, float width, float height) 1664 static void extra_draw_quad(extra_window *extra, GLuint texture, float width, float height)
1643 { 1665 {
1732 } 1754 }
1733 free(pixels); 1755 free(pixels);
1734 return img_index; 1756 return img_index;
1735 } 1757 }
1736 1758
1759 #ifndef DISABLE_OPENGL
1760 static void extra_update_verts(extra_window *extra, int x, int y, int width, int height)
1761 {
1762 memcpy(extra->image_vertices, vertex_data_default, sizeof(vertex_data_default));
1763 extra->image_vertices[0] = extra->image_vertices[4] = 2.0f * x / (float)extra->width - 1.0f;
1764 extra->image_vertices[2] = extra->image_vertices[6] = 2.0f * (x + width) / (float)extra->width - 1.0f;
1765 extra->image_vertices[1] = extra->image_vertices[3] = -2.0f * (y + height) / (float)extra->height + 1.0f;
1766 extra->image_vertices[5] = extra->image_vertices[7] = -2.0f * y / (float)extra->height + 1.0f;
1767
1768 SDL_GL_MakeCurrent(extra->win, extra->gl_context);
1769 glBindBuffer(GL_ARRAY_BUFFER, extra->image_buffer);
1770 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data_default), extra->image_vertices, GL_DYNAMIC_DRAW);
1771 }
1772 #endif
1773
1737 void render_draw_image(uint8_t window, uint8_t image, int x, int y, int width, int height) 1774 void render_draw_image(uint8_t window, uint8_t image, int x, int y, int width, int height)
1738 { 1775 {
1739 extra_window *extra = extras + window - FRAMEBUFFER_USER_START; 1776 extra_window *extra = extras + window - FRAMEBUFFER_USER_START;
1740 if (extra->renderer) { 1777 if (extra->renderer) {
1741 SDL_Rect dst = { 1778 SDL_Rect dst = {
1746 }; 1783 };
1747 SDL_RenderCopy(extra->renderer, extra->static_images[image], NULL, &dst); 1784 SDL_RenderCopy(extra->renderer, extra->static_images[image], NULL, &dst);
1748 } 1785 }
1749 #ifndef DISABLE_OPENGL 1786 #ifndef DISABLE_OPENGL
1750 else { 1787 else {
1751 memcpy(extra->image_vertices, vertex_data_default, sizeof(vertex_data_default)); 1788 extra_update_verts(extra, x, y, width, height);
1752 extra->image_vertices[0] = extra->image_vertices[4] = 2.0f * x / (float)extra->width - 1.0f;
1753 extra->image_vertices[2] = extra->image_vertices[6] = 2.0f * (x + width) / (float)extra->width - 1.0f;
1754 extra->image_vertices[1] = extra->image_vertices[3] = -2.0f * (y + height) / (float)extra->height + 1.0f;
1755 extra->image_vertices[5] = extra->image_vertices[7] = -2.0f * y / (float)extra->height + 1.0f;
1756
1757 SDL_GL_MakeCurrent(extra->win, extra->gl_context);
1758 glBindBuffer(GL_ARRAY_BUFFER, extra->image_buffer);
1759 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data_default), extra->image_vertices, GL_DYNAMIC_DRAW);
1760 extra_draw_quad(extra, extra->gl_static_images[image], 1.0f, 1.0f); 1789 extra_draw_quad(extra, extra->gl_static_images[image], 1.0f, 1.0f);
1761 } 1790 }
1762 #endif 1791 #endif
1763 } 1792 }
1764 1793
1778 #endif 1807 #endif
1779 } 1808 }
1780 1809
1781 void render_fill_rect(uint8_t window, uint8_t r, uint8_t g, uint8_t b, int x, int y, int width, int height) 1810 void render_fill_rect(uint8_t window, uint8_t r, uint8_t g, uint8_t b, int x, int y, int width, int height)
1782 { 1811 {
1783 uint8_t win_idx = window - FRAMEBUFFER_USER_START; 1812 extra_window *extra = extras + window - FRAMEBUFFER_USER_START;
1784 if (extras[win_idx].renderer) { 1813 if (extra->renderer) {
1785 SDL_SetRenderDrawColor(extras[win_idx].renderer, r, g, b, 255); 1814 SDL_SetRenderDrawColor(extra->renderer, r, g, b, 255);
1786 SDL_Rect dst = { 1815 SDL_Rect dst = {
1787 .x = x, 1816 .x = x,
1788 .y = y, 1817 .y = y,
1789 .w = width, 1818 .w = width,
1790 .h = height 1819 .h = height
1791 }; 1820 };
1792 SDL_RenderFillRect(extras[win_idx].renderer, &dst); 1821 SDL_RenderFillRect(extra->renderer, &dst);
1793 } 1822 }
1794 #ifndef DISABLE_OPENGL 1823 #ifndef DISABLE_OPENGL
1795 else { 1824 else {
1796 //TODO: implement me 1825 extra_update_verts(extra, x, y, width, height);
1826 extra->color[0] = b;
1827 extra->color[1] = g;
1828 extra->color[2] = r;
1829 glBindTexture(GL_TEXTURE_2D, extra->gl_texture[1]);
1830 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, SRC_FORMAT, GL_UNSIGNED_BYTE, extra->color);
1831 extra_draw_quad(extra, extra->gl_texture[1], 1.0f, 1.0f);
1797 } 1832 }
1798 #endif 1833 #endif
1799 } 1834 }
1800 1835
1801 void render_window_refresh(uint8_t window) 1836 void render_window_refresh(uint8_t window)
1961 } 1996 }
1962 #endif 1997 #endif
1963 } else if (render_gl && which >= FRAMEBUFFER_USER_START) { 1998 } else if (render_gl && which >= FRAMEBUFFER_USER_START) {
1964 uint8_t win_idx = which - FRAMEBUFFER_USER_START; 1999 uint8_t win_idx = which - FRAMEBUFFER_USER_START;
1965 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context); 2000 SDL_GL_MakeCurrent(extras[win_idx].win, extras[win_idx].gl_context);
1966 glBindTexture(GL_TEXTURE_2D, extras[win_idx].gl_texture); 2001 glBindTexture(GL_TEXTURE_2D, extras[win_idx].gl_texture[0]);
1967 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, extras[win_idx].width, extras[win_idx].height, SRC_FORMAT, GL_UNSIGNED_BYTE, buffer); 2002 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, extras[win_idx].width, extras[win_idx].height, SRC_FORMAT, GL_UNSIGNED_BYTE, buffer);
1968 } else { 2003 } else {
1969 #endif 2004 #endif
1970 uint32_t shot_height = height; 2005 uint32_t shot_height = height;
1971 //TODO: Support SYNC_AUDIO_THREAD/SYNC_EXTERNAL for render API framebuffers 2006 //TODO: Support SYNC_AUDIO_THREAD/SYNC_EXTERNAL for render API framebuffers
2033 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 2068 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
2034 2069
2035 glBindBuffer(GL_ARRAY_BUFFER, extras[win_idx].gl_buffers[0]); 2070 glBindBuffer(GL_ARRAY_BUFFER, extras[win_idx].gl_buffers[0]);
2036 extra_draw_quad( 2071 extra_draw_quad(
2037 extras + win_idx, 2072 extras + win_idx,
2038 extras[win_idx].gl_texture, 2073 extras[win_idx].gl_texture[0],
2039 (float)extras[win_idx].width / (float)extras[win_idx].tex_width, 2074 (float)extras[win_idx].width / (float)extras[win_idx].tex_width,
2040 (float)extras[win_idx].height / (float)extras[win_idx].tex_height 2075 (float)extras[win_idx].height / (float)extras[win_idx].tex_height
2041 ); 2076 );
2042 2077
2043 SDL_GL_SwapWindow(extras[win_idx].win); 2078 SDL_GL_SwapWindow(extras[win_idx].win);