mirror of
https://github.com/openmoh/openmohaa.git
synced 2025-04-28 21:57:57 +03:00
441 lines
11 KiB
C
441 lines
11 KiB
C
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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// tr_draw.c -- drawing
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#include "../tr_local.h"
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vec4_t r_colorWhite = { 1.0, 1.0, 1.0, 1.0 };
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/*
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================
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Draw_SetColor
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================
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*/
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void Draw_SetColor(const vec4_t rgba) {
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#if 1
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if (!rgba) {
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rgba = r_colorWhite;
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}
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backEnd.color2D[0] = (byte)(rgba[0] * tr.identityLightByte);
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backEnd.color2D[1] = (byte)(rgba[1] * tr.identityLightByte);
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backEnd.color2D[2] = (byte)(rgba[2] * tr.identityLightByte);
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backEnd.color2D[3] = (byte)(rgba[3] * 255.0);
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#else
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RE_SetColor(rgba);
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#endif
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}
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/*
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================
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Draw_StretchPic
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================
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*/
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void Draw_StretchPic(float x, float y, float w, float h, float s1, float t1, float s2, float t2, qhandle_t hShader) {
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#if 1
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shader_t* shader;
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R_SyncRenderThread();
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if (hShader) {
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shader = R_GetShaderByHandle(hShader);
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}
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else {
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shader = tr.defaultShader;
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}
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if (w <= 0) {
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w = shader->stages[0]->bundle[0].image[0]->width;
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h = shader->stages[0]->bundle[0].image[0]->height;
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}
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// draw the pic
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RB_Color4f(backEnd.color2D[0], backEnd.color2D[1], backEnd.color2D[2], backEnd.color2D[3]);
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RB_BeginSurface(shader, 0, 0);
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RB_Texcoord2f(s1, t1);
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RB_Vertex2f(x, y);
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RB_Texcoord2f(s2, t1);
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RB_Vertex2f(x + w, y);
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RB_Texcoord2f(s1, t2);
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RB_Vertex2f(x, y + h);
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RB_Texcoord2f(s2, t2);
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RB_Vertex2f(x + w, y + h);
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RB_StreamEnd();
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#else
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RE_StretchPic(x, y, w, h, s1, t1, s2, t2, hShader);
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#endif
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}
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/*
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================
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Draw_TilePic
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================
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*/
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void Draw_TilePic(float x, float y, float w, float h, qhandle_t hShader) {
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shader_t* shader;
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float picw, pich;
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R_SyncRenderThread();
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if (hShader) {
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shader = R_GetShaderByHandle(hShader);
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}
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else {
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shader = tr.defaultShader;
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}
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if (w <= 0) {
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w = shader->stages[0]->bundle[0].image[0]->width;
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h = shader->stages[0]->bundle[0].image[0]->height;
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}
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picw = shader->stages[0]->bundle[0].image[0]->uploadWidth;
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pich = shader->stages[0]->bundle[0].image[0]->uploadHeight;
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// draw the pic
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RB_Color4f(backEnd.color2D[0], backEnd.color2D[1], backEnd.color2D[2], backEnd.color2D[3]);
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RB_StreamBegin(shader);
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RB_Texcoord2f(x / picw, y / pich);
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RB_Vertex2f(x, y);
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RB_Texcoord2f((x + w) / picw, y / pich);
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RB_Vertex2f(x + w, y);
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RB_Texcoord2f(x / picw, (y + h) / pich);
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RB_Vertex2f(x, y + h);
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RB_Texcoord2f((x + w) / picw, (y + h) / pich);
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RB_Vertex2f(x + w, y + h);
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RB_StreamEnd();
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}
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/*
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================
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Draw_TilePicOffset
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================
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*/
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void Draw_TilePicOffset(float x, float y, float w, float h, qhandle_t hShader, int offsetX, int offsetY) {
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shader_t* shader;
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float picw, pich;
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R_SyncRenderThread();
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if (hShader) {
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shader = R_GetShaderByHandle(hShader);
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}
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else {
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shader = tr.defaultShader;
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}
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if (w <= 0) {
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w = shader->stages[0]->bundle[0].image[0]->width;
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h = shader->stages[0]->bundle[0].image[0]->height;
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}
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picw = shader->stages[0]->bundle[0].image[0]->uploadWidth;
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pich = shader->stages[0]->bundle[0].image[0]->uploadHeight;
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// draw the pic
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RB_Color4f(backEnd.color2D[0], backEnd.color2D[1], backEnd.color2D[2], backEnd.color2D[3]);
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RB_StreamBegin(shader);
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RB_Texcoord2f(x / picw, y / pich);
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RB_Vertex2f(x + offsetX, y + offsetY);
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RB_Texcoord2f((x + w) / picw, y / pich);
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RB_Vertex2f(x + offsetX + w, y + offsetY);
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RB_Texcoord2f(x / picw, (y + h) / pich);
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RB_Vertex2f(x + offsetX, y + offsetY + h);
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RB_Texcoord2f((x + w) / picw, (y + h) / pich);
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RB_Vertex2f(x + offsetX + w, y + offsetY + h);
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RB_StreamEnd();
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}
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/*
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================
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Draw_TrianglePic
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================
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*/
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void Draw_TrianglePic(const vec2_t vPoints[3], const vec2_t vTexCoords[3], qhandle_t hShader) {
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int i;
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shader_t* shader;
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R_SyncRenderThread();
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if (hShader) {
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shader = R_GetShaderByHandle(hShader);
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}
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else {
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shader = tr.defaultShader;
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}
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// draw the pic
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RB_Color4f(backEnd.color2D[0], backEnd.color2D[1], backEnd.color2D[2], backEnd.color2D[3]);
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RB_BeginSurface(shader, 0, 0);
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for (i = 0; i < 3; i++) {
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RB_Texcoord2f(vTexCoords[i][0], vTexCoords[i][1]);
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RB_Vertex2f(vPoints[i][0], vPoints[i][1]);
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}
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RB_StreamEnd();
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}
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/*
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================
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RE_DrawBackground_TexSubImage
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================
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*/
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void RE_DrawBackground_TexSubImage(int cols, int rows, int bgr, byte* data) {
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GLenum format;
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int w, h;
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vec4_t quadVerts[4];
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vec2_t texCoords[4];
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w = glConfig.vidWidth;
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h = glConfig.vidHeight;
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R_SyncRenderThread();
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qglFinish();
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if (bgr) {
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format = GL_BGR_EXT;
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}
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else {
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format = GL_RGB;
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}
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GL_BindToTMU(tr.scratchImage[0], TB_COLORMAP);
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if (cols == tr.scratchImage[0]->width && rows == tr.scratchImage[0]->height && format == tr.scratchImage[0]->internalFormat)
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{
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qglTexSubImage2D(3553, 0, 0, 0, cols, rows, format, 5121, data);
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}
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else
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{
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tr.scratchImage[0]->uploadWidth = cols;
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tr.scratchImage[0]->uploadHeight = rows;
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tr.scratchImage[0]->internalFormat = format;
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qglTexImage2D(GL_TEXTURE_2D, 0, 3, cols, rows, 0, format, 5121, data);
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, 9729.0);
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, 9729.0);
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}
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qglDisable(GL_CULL_FACE);
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qglDisable(GL_DEPTH_TEST);
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qglEnable(GL_TEXTURE_2D);
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VectorSet4(quadVerts[0], 0.0f, 0.0f, 0.0f, 1.0f);
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VectorSet4(quadVerts[1], w, 0.0f, 0.0f, 1.0f);
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VectorSet4(quadVerts[2], w, h, 0.0f, 1.0f);
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VectorSet4(quadVerts[3], 0.0f, h, 0.0f, 1.0f);
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VectorSet2(texCoords[0], 0.5f / cols, (rows - 0.5f) / rows);
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VectorSet2(texCoords[1], (cols - 0.5f) / cols, (rows - 0.5f) / rows);
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VectorSet2(texCoords[2], (cols - 0.5f) / cols, 0.5f / rows);
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VectorSet2(texCoords[3], 0.5f / cols, 0.5f / rows);
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GLSL_BindProgram(&tr.textureColorShader);
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GLSL_SetUniformMat4(&tr.textureColorShader, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
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GLSL_SetUniformVec4(&tr.textureColorShader, UNIFORM_COLOR, colorWhite);
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RB_InstantQuad2(quadVerts, texCoords);
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}
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/*
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================
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RE_DrawBackground_DrawPixels
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================
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*/
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void RE_DrawBackground_DrawPixels(int cols, int rows, int bgr, byte* data) {
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// FIXME: stub
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}
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/*
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================
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AddBox
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================
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*/
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void AddBox(float x, float y, float w, float h) {
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R_SyncRenderThread();
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qglDisable(GL_TEXTURE_2D);
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GL_State(GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
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{
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shaderProgram_t* sp = &tr.textureColorShader;
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vec4_t color = { backEnd.color2D[0] / 255.0f, backEnd.color2D[1] / 255.0f, backEnd.color2D[2] / 255.0f, backEnd.color2D[3] / 255.0f };
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vec4_t quadVerts[4];
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vec2_t texCoords[4];
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VectorSet4(quadVerts[0], x, y, 0.0f, 1.0f);
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VectorSet4(quadVerts[1], x + w, y, 0.0f, 1.0f);
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VectorSet4(quadVerts[2], x + w, y + h, 0.0f, 1.0f);
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VectorSet4(quadVerts[3], x, y + h, 0.0f, 1.0f);
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VectorSet2(texCoords[0], 0.0f, 0.0f);
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VectorSet2(texCoords[1], 1.0f, 0.0f);
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VectorSet2(texCoords[2], 1.0f, 1.0f);
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VectorSet2(texCoords[3], 0.0f, 1.0f);
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GLSL_BindProgram(sp);
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GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
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GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
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RB_InstantQuad2(quadVerts, texCoords);
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}
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qglEnable(GL_TEXTURE_2D);
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}
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/*
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================
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DrawBox
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================
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*/
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void DrawBox(float x, float y, float w, float h) {
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R_SyncRenderThread();
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qglDisable(GL_TEXTURE_2D);
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GL_State(GLS_DEPTHTEST_DISABLE | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_SRCBLEND_SRC_ALPHA);
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{
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shaderProgram_t* sp = &tr.textureColorShader;
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vec4_t color = { backEnd.color2D[0] / 255.0f, backEnd.color2D[1] / 255.0f, backEnd.color2D[2] / 255.0f, backEnd.color2D[3] / 255.0f };
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vec4_t quadVerts[4];
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vec2_t texCoords[4];
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VectorSet4(quadVerts[0], x, y, 0.0f, 1.0f);
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VectorSet4(quadVerts[1], x + w, y, 0.0f, 1.0f);
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VectorSet4(quadVerts[2], x + w, y + h, 0.0f, 1.0f);
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VectorSet4(quadVerts[3], x, y + h, 0.0f, 1.0f);
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VectorSet2(texCoords[0], 0.0f, 0.0f);
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VectorSet2(texCoords[1], 1.0f, 0.0f);
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VectorSet2(texCoords[2], 1.0f, 1.0f);
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VectorSet2(texCoords[3], 0.0f, 1.0f);
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GLSL_BindProgram(sp);
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GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
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GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
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RB_InstantQuad2(quadVerts, texCoords);
|
||
|
|
}
|
||
|
|
|
||
|
|
qglEnable(GL_TEXTURE_2D);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
================
|
||
|
|
DrawLineLoop
|
||
|
|
================
|
||
|
|
*/
|
||
|
|
void DrawLineLoop(const vec2_t* points, int count, int stipple_factor, int stipple_mask) {
|
||
|
|
int i;
|
||
|
|
|
||
|
|
R_SyncRenderThread();
|
||
|
|
|
||
|
|
qglDisable(GL_TEXTURE_2D);
|
||
|
|
|
||
|
|
if (stipple_factor) {
|
||
|
|
qglEnable(GL_LINE_STIPPLE);
|
||
|
|
glLineStipple(stipple_factor, stipple_mask);
|
||
|
|
}
|
||
|
|
|
||
|
|
// FIXME: unimplemented
|
||
|
|
/*
|
||
|
|
qglBegin(GL_LINE_LOOP);
|
||
|
|
|
||
|
|
for (i = 0; i < count; i++) {
|
||
|
|
qglVertex2f(points[i][0], points[i][1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
qglEnd();
|
||
|
|
*/
|
||
|
|
|
||
|
|
qglEnable(GL_TEXTURE_2D);
|
||
|
|
|
||
|
|
if (stipple_factor) {
|
||
|
|
qglDisable(GL_LINE_STIPPLE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
================
|
||
|
|
Set2DWindow
|
||
|
|
================
|
||
|
|
*/
|
||
|
|
void Set2DWindow(int x, int y, int w, int h, float left, float right, float bottom, float top, float n, float f) {
|
||
|
|
mat4_t matrix;
|
||
|
|
|
||
|
|
R_SyncRenderThread();
|
||
|
|
qglViewport(x, y, w, h);
|
||
|
|
qglScissor(x, y, w, h);
|
||
|
|
|
||
|
|
Mat4Ortho(left, right, bottom, top, n, f, matrix);
|
||
|
|
GL_SetProjectionMatrix(matrix);
|
||
|
|
Mat4Identity(matrix);
|
||
|
|
GL_SetModelviewMatrix(matrix);
|
||
|
|
|
||
|
|
GL_State(GLS_DEPTHTEST_DISABLE | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_SRCBLEND_SRC_ALPHA);
|
||
|
|
qglEnable(GL_BLEND);
|
||
|
|
qglDisable(GL_CULL_FACE);
|
||
|
|
qglDisable(GL_CLIP_PLANE0);
|
||
|
|
|
||
|
|
//if (r_reset_tc_array->integer) {
|
||
|
|
// qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
||
|
|
//}
|
||
|
|
|
||
|
|
if (!backEnd.projection2D)
|
||
|
|
{
|
||
|
|
backEnd.refdef.time = ri.Milliseconds();
|
||
|
|
backEnd.projection2D = qtrue;
|
||
|
|
backEnd.refdef.floatTime = backEnd.refdef.time / 1000.0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
================
|
||
|
|
RE_Scissor
|
||
|
|
================
|
||
|
|
*/
|
||
|
|
void RE_Scissor(int x, int y, int width, int height) {
|
||
|
|
qglEnable(GL_SCISSOR_TEST);
|
||
|
|
qglScissor(x, y, width, height);
|
||
|
|
}
|