// call after swap buffers
void wzPerfFrame()
{
if (!perfStarted)
{
return; // not started yet
}
ASSERT(queryActive == PERF_COUNT, "Missing wfPerfEnd() call");
PERF_STORE store;
for (int i = 0; i < PERF_COUNT; i++)
{
glGetQueryObjectui64v(perfpos[i], GL_QUERY_RESULT, &store.counters[i]);
}
glErrors();
perfList.append(store);
perfStarted = false;
// Make a screenshot to document sample content
time_t aclock;
struct tm *t;
time(&aclock); /* Get time in seconds */
t = localtime(&aclock); /* Convert time to struct */
ssprintf(screendump_filename, "screenshots/wz2100-perf-sample-%02d-%04d%02d%02d_%02d%02d%02d-%s.png", perfList.size() - 1,
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, getLevelName());
screendump_required = true;
GL_DEBUG("Performance sample complete");
}
void pie_ActivateShader(SHADER_MODE shaderMode, iIMDShape* shape, PIELIGHT teamcolour, PIELIGHT colour)
{
int maskpage = shape->tcmaskpage;
int normalpage = shape->normalpage;
GLfloat colour4f[4];
if (shaderMode != currentShaderMode)
{
GLint locTex0, locTex1, locTex2;
glUseProgram(shaderProgram[shaderMode]);
locTex0 = glGetUniformLocation(shaderProgram[shaderMode], "Texture0");
locTex1 = glGetUniformLocation(shaderProgram[shaderMode], "Texture1");
locTex2 = glGetUniformLocation(shaderProgram[shaderMode], "Texture2");
locTeam = glGetUniformLocation(shaderProgram[shaderMode], "teamcolour");
locStretch = glGetUniformLocation(shaderProgram[shaderMode], "stretch");
locTCMask = glGetUniformLocation(shaderProgram[shaderMode], "tcmask");
locNormalMap = glGetUniformLocation(shaderProgram[shaderMode], "normalmap");
locFog = glGetUniformLocation(shaderProgram[shaderMode], "fogEnabled");
locEcm = glGetUniformLocation(shaderProgram[shaderMode], "ecmEffect");
locTime = glGetUniformLocation(shaderProgram[shaderMode], "graphicsCycle");
// These never change
glUniform1i(locTex0, 0);
glUniform1i(locTex1, 1);
glUniform1i(locTex2, 2);
currentShaderMode = shaderMode;
}
glColor4ubv(colour.vector);
pie_SetTexturePage(shape->texpage);
pal_PIELIGHTtoRGBA4f(&colour4f[0], teamcolour);
glUniform4fv(locTeam, 1, &colour4f[0]);
glUniform1f(locStretch, shaderStretch);
glUniform1i(locTCMask, maskpage != iV_TEX_INVALID);
glUniform1i(locNormalMap, normalpage != iV_TEX_INVALID);
glUniform1i(locFog, rendStates.fog);
glUniform1f(locTime, timeState);
glUniform1i(locEcm, ecmState);
if (maskpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, _TEX_PAGE[maskpage].id);
}
if (normalpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, _TEX_PAGE[normalpage].id);
}
glActiveTexture(GL_TEXTURE0);
#ifdef _DEBUG
glErrors();
#endif
}
void wzPerfBegin(PERF_POINT pp, const char *descr)
{
GL_DEBUG(descr);
if (!perfStarted)
{
return;
}
ASSERT(queryActive == PERF_COUNT || pp > queryActive, "Out of order timer query call");
glBeginQuery(GL_TIME_ELAPSED, perfpos[pp]);
queryActive = pp;
glErrors();
}
void screenShutDown(void)
{
pie_ShutDown();
pie_TexShutDown();
iV_TextShutdown();
pie_Skybox_Shutdown();
delete backdropGfx;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glErrors();
}
void pie_ActivateShader(SHADER_MODE shaderMode, PIELIGHT teamcolour, int maskpage, int normalpage)
{
GLfloat colour4f[4];
if (shaderMode != currentShaderMode)
{
GLint locTex0, locTex1, locTex2;
glUseProgram(shaderProgram[shaderMode]);
locTex0 = glGetUniformLocation(shaderProgram[shaderMode], "Texture0");
locTex1 = glGetUniformLocation(shaderProgram[shaderMode], "Texture1");
locTex2 = glGetUniformLocation(shaderProgram[shaderMode], "Texture2");
locTeam = glGetUniformLocation(shaderProgram[shaderMode], "teamcolour");
locStretch = glGetUniformLocation(shaderProgram[shaderMode], "stretch");
locTCMask = glGetUniformLocation(shaderProgram[shaderMode], "tcmask");
locNormalMap = glGetUniformLocation(shaderProgram[shaderMode], "normalmap");
locFog = glGetUniformLocation(shaderProgram[shaderMode], "fogEnabled");
// These never change
glUniform1i(locTex0, 0);
glUniform1i(locTex1, 1);
glUniform1i(locTex2, 2);
currentShaderMode = shaderMode;
}
pal_PIELIGHTtoRGBA4f(&colour4f[0], teamcolour);
glUniform4fv(locTeam, 1, &colour4f[0]);
glUniform1f(locStretch, shaderStretch);
glUniform1i(locTCMask, maskpage != iV_TEX_INVALID);
glUniform1i(locNormalMap, normalpage != iV_TEX_INVALID);
glUniform1i(locFog, rendStates.fog);
if (maskpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE1);
pie_SetTexturePage(maskpage);
}
if (normalpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE2);
pie_SetTexturePage(normalpage);
}
glActiveTexture(GL_TEXTURE0);
#ifdef _DEBUG
glErrors();
#endif
}
void wzPerfBegin(PERF_POINT pp, const char *descr)
{
ASSERT(queryActive == PERF_COUNT || pp > queryActive, "Out of order timer query call");
queryActive = pp;
if (khr_debug)
{
glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, pp, -1, descr);
}
if (!perfStarted)
{
return;
}
glBeginQuery(GL_TIME_ELAPSED, perfpos[pp]);
glErrors();
}
void pie_ActivateShader_TCMask(PIELIGHT teamcolour, int maskpage)
{
GLfloat colour4f[4];
pie_SetShader(SHADER_COMPONENT);
pal_PIELIGHTtoRGBA4f(&colour4f[0], teamcolour);
glUniform4fv(locTeam, 1, &colour4f[0]);
glUniform1f(locStretch, shaderStretch);
glUniform1i(locTCMask, maskpage != iV_TEX_INVALID);
glUniform1i(locFog, rendStates.fog);
if (maskpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE1);
pie_SetTexturePage(maskpage);
}
glActiveTexture(GL_TEXTURE0);
#ifdef _DEBUG
glErrors();
#endif
}
/* Initialise the double buffered display */
bool screenInitialise()
{
GLint glMaxTUs;
GLenum err;
glErrors();
err = glewInit();
if (GLEW_OK != err)
{
debug(LOG_FATAL, "Error: %s", glewGetErrorString(err));
exit(1);
}
/* Dump general information about OpenGL implementation to the console and the dump file */
ssprintf(opengl.vendor, "OpenGL Vendor: %s", glGetString(GL_VENDOR));
addDumpInfo(opengl.vendor);
debug(LOG_3D, "%s", opengl.vendor);
ssprintf(opengl.renderer, "OpenGL Renderer: %s", glGetString(GL_RENDERER));
addDumpInfo(opengl.renderer);
debug(LOG_3D, "%s", opengl.renderer);
ssprintf(opengl.version, "OpenGL Version: %s", glGetString(GL_VERSION));
addDumpInfo(opengl.version);
debug(LOG_3D, "%s", opengl.version);
ssprintf(opengl.GLEWversion, "GLEW Version: %s", glewGetString(GLEW_VERSION));
addDumpInfo(opengl.GLEWversion);
debug(LOG_3D, "%s", opengl.GLEWversion);
GLubyte const *extensionsBegin = glGetString(GL_EXTENSIONS);
GLubyte const *extensionsEnd = extensionsBegin + strlen((char const *)extensionsBegin);
std::vector<std::string> glExtensions;
for (GLubyte const *i = extensionsBegin; i < extensionsEnd; )
{
GLubyte const *j = std::find(i, extensionsEnd, ' ');
glExtensions.push_back(std::string(i, j));
i = j + 1;
}
/* Dump extended information about OpenGL implementation to the console */
std::string line;
for (unsigned n = 0; n < glExtensions.size(); ++n)
{
std::string word = " ";
word += glExtensions[n];
if (n + 1 != glExtensions.size())
{
word += ',';
}
if (line.size() + word.size() > 160)
{
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
line.clear();
}
line += word;
}
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
debug(LOG_3D, "Notable OpenGL features:");
debug(LOG_3D, " * OpenGL 1.2 %s supported!", GLEW_VERSION_1_2 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.3 %s supported!", GLEW_VERSION_1_3 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.4 %s supported!", GLEW_VERSION_1_4 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.5 %s supported!", GLEW_VERSION_1_5 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.0 %s supported!", GLEW_VERSION_2_0 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.1 %s supported!", GLEW_VERSION_2_1 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 3.0 %s supported!", GLEW_VERSION_3_0 ? "is" : "is NOT");
debug(LOG_3D, " * Texture compression %s supported.", GLEW_ARB_texture_compression ? "is" : "is NOT");
debug(LOG_3D, " * Two side stencil %s supported.", GLEW_EXT_stencil_two_side ? "is" : "is NOT");
debug(LOG_3D, " * ATI separate stencil is%s supported.", GLEW_ATI_separate_stencil ? "" : " NOT");
debug(LOG_3D, " * Stencil wrap %s supported.", GLEW_EXT_stencil_wrap ? "is" : "is NOT");
debug(LOG_3D, " * Anisotropic filtering %s supported.", GLEW_EXT_texture_filter_anisotropic ? "is" : "is NOT");
debug(LOG_3D, " * Rectangular texture %s supported.", GLEW_ARB_texture_rectangle ? "is" : "is NOT");
debug(LOG_3D, " * FrameBuffer Object (FBO) %s supported.", GLEW_EXT_framebuffer_object ? "is" : "is NOT");
debug(LOG_3D, " * ARB Vertex Buffer Object (VBO) %s supported.", GLEW_ARB_vertex_buffer_object ? "is" : "is NOT");
debug(LOG_3D, " * NPOT %s supported.", GLEW_ARB_texture_non_power_of_two ? "is" : "is NOT");
debug(LOG_3D, " * texture cube_map %s supported.", GLEW_ARB_texture_cube_map ? "is" : "is NOT");
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glMaxTUs);
debug(LOG_3D, " * Total number of Texture Units (TUs) supported is %d.", (int) glMaxTUs);
debug(LOG_3D, " * GL_ARB_timer_query %s supported!", GLEW_ARB_timer_query ? "is" : "is NOT");
screenWidth = MAX(screenWidth, 640);
screenHeight = MAX(screenHeight, 480);
std::pair<int, int> glslVersion(0, 0);
if (GLEW_ARB_shading_language_100 && GLEW_ARB_shader_objects)
{
sscanf((char const *)glGetString(GL_SHADING_LANGUAGE_VERSION), "%d.%d", &glslVersion.first, &glslVersion.second);
/* Dump information about OpenGL 2.0+ implementation to the console and the dump file */
GLint glMaxTIUs, glMaxTCs, glMaxTIUAs, glmaxSamples, glmaxSamplesbuf;
debug(LOG_3D, " * OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
ssprintf(opengl.GLSLversion, "OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
addDumpInfo(opengl.GLSLversion);
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &glMaxTIUs);
debug(LOG_3D, " * Total number of Texture Image Units (TIUs) supported is %d.", (int) glMaxTIUs);
glGetIntegerv(GL_MAX_TEXTURE_COORDS, &glMaxTCs);
debug(LOG_3D, " * Total number of Texture Coords (TCs) supported is %d.", (int) glMaxTCs);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,&glMaxTIUAs);
debug(LOG_3D, " * Total number of Texture Image Units ARB(TIUAs) supported is %d.", (int) glMaxTIUAs);
glGetIntegerv(GL_SAMPLE_BUFFERS, &glmaxSamplesbuf);
debug(LOG_3D, " * (current) Max Sample buffer is %d.", (int) glmaxSamplesbuf);
glGetIntegerv(GL_SAMPLES, &glmaxSamples);
debug(LOG_3D, " * (current) Max Sample level is %d.", (int) glmaxSamples);
}
bool haveARB_vertex_buffer_object = GLEW_ARB_vertex_buffer_object || GLEW_VERSION_1_5;
bool canRunShaders = GLEW_VERSION_1_2 && haveARB_vertex_buffer_object && glslVersion >= std::make_pair(1, 20); // glGetString(GL_SHADING_LANGUAGE_VERSION) >= "1.20"
screen_EnableMissingFunctions(); // We need to do this before pie_LoadShaders(), but the effect of this call will be undone later by iV_TextInit(), so we will need to call it again.
if (!canRunShaders || !pie_LoadShaders())
{
writeGameInfo("WZdebuginfo.txt");
debug(LOG_FATAL, _("OpenGL GLSL shader version 1.20 is not supported by your system. The game requires this. Please upgrade your graphics drivers/hardware, if possible."));
exit(1);
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
pie_Skybox_Init();
// Generate backdrop render
backdropGfx = new GFX(GFX_TEXTURE, GL_TRIANGLE_STRIP, 2);
if (GLEW_ARB_timer_query)
{
glGenQueries(PERF_COUNT, perfpos);
}
glErrors();
return true;
}
/* Initialise the double buffered display */
bool screenInitialise()
{
GLint glMaxTUs;
GLenum err;
glErrors();
err = glewInit();
if (GLEW_OK != err)
{
debug(LOG_FATAL, "Error: %s", glewGetErrorString(err));
exit(1);
}
/* Dump general information about OpenGL implementation to the console and the dump file */
ssprintf(opengl.vendor, "OpenGL Vendor: %s", glGetString(GL_VENDOR));
addDumpInfo(opengl.vendor);
debug(LOG_3D, "%s", opengl.vendor);
ssprintf(opengl.renderer, "OpenGL Renderer: %s", glGetString(GL_RENDERER));
addDumpInfo(opengl.renderer);
debug(LOG_3D, "%s", opengl.renderer);
ssprintf(opengl.version, "OpenGL Version: %s", glGetString(GL_VERSION));
addDumpInfo(opengl.version);
debug(LOG_3D, "%s", opengl.version);
ssprintf(opengl.GLEWversion, "GLEW Version: %s", glewGetString(GLEW_VERSION));
if (strncmp(opengl.GLEWversion, "1.9.", 4) == 0) // work around known bug with KHR_debug extension support in this release
{
debug(LOG_WARNING, "Your version of GLEW is old and buggy, please upgrade to at least version 1.10.");
khr_debug = false;
}
else
{
khr_debug = GLEW_KHR_debug;
}
addDumpInfo(opengl.GLEWversion);
debug(LOG_3D, "%s", opengl.GLEWversion);
GLubyte const *extensionsBegin = glGetString(GL_EXTENSIONS);
GLubyte const *extensionsEnd = extensionsBegin + strlen((char const *)extensionsBegin);
std::vector<std::string> glExtensions;
for (GLubyte const *i = extensionsBegin; i < extensionsEnd; )
{
GLubyte const *j = std::find(i, extensionsEnd, ' ');
glExtensions.push_back(std::string(i, j));
i = j + 1;
}
/* Dump extended information about OpenGL implementation to the console */
std::string line;
for (unsigned n = 0; n < glExtensions.size(); ++n)
{
std::string word = " ";
word += glExtensions[n];
if (n + 1 != glExtensions.size())
{
word += ',';
}
if (line.size() + word.size() > 160)
{
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
line.clear();
}
line += word;
}
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
debug(LOG_3D, "Notable OpenGL features:");
debug(LOG_3D, " * OpenGL 1.2 %s supported!", GLEW_VERSION_1_2 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.3 %s supported!", GLEW_VERSION_1_3 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.4 %s supported!", GLEW_VERSION_1_4 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.5 %s supported!", GLEW_VERSION_1_5 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.0 %s supported!", GLEW_VERSION_2_0 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.1 %s supported!", GLEW_VERSION_2_1 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 3.0 %s supported!", GLEW_VERSION_3_0 ? "is" : "is NOT");
debug(LOG_3D, " * Texture compression %s supported.", GLEW_ARB_texture_compression ? "is" : "is NOT");
debug(LOG_3D, " * Two side stencil %s supported.", GLEW_EXT_stencil_two_side ? "is" : "is NOT");
debug(LOG_3D, " * ATI separate stencil is%s supported.", GLEW_ATI_separate_stencil ? "" : " NOT");
debug(LOG_3D, " * Stencil wrap %s supported.", GLEW_EXT_stencil_wrap ? "is" : "is NOT");
debug(LOG_3D, " * Anisotropic filtering %s supported.", GLEW_EXT_texture_filter_anisotropic ? "is" : "is NOT");
debug(LOG_3D, " * Rectangular texture %s supported.", GLEW_ARB_texture_rectangle ? "is" : "is NOT");
debug(LOG_3D, " * FrameBuffer Object (FBO) %s supported.", GLEW_EXT_framebuffer_object ? "is" : "is NOT");
debug(LOG_3D, " * ARB Vertex Buffer Object (VBO) %s supported.", GLEW_ARB_vertex_buffer_object ? "is" : "is NOT");
debug(LOG_3D, " * NPOT %s supported.", GLEW_ARB_texture_non_power_of_two ? "is" : "is NOT");
debug(LOG_3D, " * texture cube_map %s supported.", GLEW_ARB_texture_cube_map ? "is" : "is NOT");
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glMaxTUs);
debug(LOG_3D, " * Total number of Texture Units (TUs) supported is %d.", (int) glMaxTUs);
debug(LOG_3D, " * GL_ARB_timer_query %s supported!", GLEW_ARB_timer_query ? "is" : "is NOT");
debug(LOG_3D, " * KHR_DEBUG support %s detected", khr_debug ? "was" : "was NOT");
if (!GLEW_VERSION_2_0)
{
debug(LOG_FATAL, "OpenGL 2.0 not supported! Please upgrade your drivers.");
return false;
}
screenWidth = MAX(screenWidth, 640);
screenHeight = MAX(screenHeight, 480);
std::pair<int, int> glslVersion(0, 0);
sscanf((char const *)glGetString(GL_SHADING_LANGUAGE_VERSION), "%d.%d", &glslVersion.first, &glslVersion.second);
/* Dump information about OpenGL 2.0+ implementation to the console and the dump file */
GLint glMaxTIUs, glMaxTCs, glMaxTIUAs, glmaxSamples, glmaxSamplesbuf;
debug(LOG_3D, " * OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
ssprintf(opengl.GLSLversion, "OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
addDumpInfo(opengl.GLSLversion);
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &glMaxTIUs);
debug(LOG_3D, " * Total number of Texture Image Units (TIUs) supported is %d.", (int) glMaxTIUs);
glGetIntegerv(GL_MAX_TEXTURE_COORDS, &glMaxTCs);
debug(LOG_3D, " * Total number of Texture Coords (TCs) supported is %d.", (int) glMaxTCs);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,&glMaxTIUAs);
debug(LOG_3D, " * Total number of Texture Image Units ARB(TIUAs) supported is %d.", (int) glMaxTIUAs);
glGetIntegerv(GL_SAMPLE_BUFFERS, &glmaxSamplesbuf);
debug(LOG_3D, " * (current) Max Sample buffer is %d.", (int) glmaxSamplesbuf);
glGetIntegerv(GL_SAMPLES, &glmaxSamples);
debug(LOG_3D, " * (current) Max Sample level is %d.", (int) glmaxSamples);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
pie_Skybox_Init();
// Generate backdrop render
backdropGfx = new GFX(GFX_TEXTURE, GL_TRIANGLE_STRIP, 2);
if (GLEW_ARB_timer_query)
{
glGenQueries(PERF_COUNT, perfpos);
}
glErrors();
return true;
}
static void pie_Draw3DShape2(iIMDShape *shape, int frame, PIELIGHT colour, PIELIGHT teamcolour, WZ_DECL_UNUSED PIELIGHT specular, int pieFlag, int pieFlagData)
{
iIMDPoly *pPolys;
bool light = lighting;
pie_SetAlphaTest(true);
/* Set fog status */
if (!(pieFlag & pie_FORCE_FOG) &&
(pieFlag & pie_ADDITIVE || pieFlag & pie_TRANSLUCENT || pieFlag & pie_BUTTON))
{
pie_SetFogStatus(false);
}
else
{
pie_SetFogStatus(true);
}
/* Set tranlucency */
if (pieFlag & pie_ADDITIVE)
{
pie_SetRendMode(REND_ADDITIVE);
colour.byte.a = (UBYTE)pieFlagData;
light = false;
}
else if (pieFlag & pie_TRANSLUCENT)
{
pie_SetRendMode(REND_ALPHA);
colour.byte.a = (UBYTE)pieFlagData;
light = false;
}
else
{
if (pieFlag & pie_BUTTON)
{
pie_SetDepthBufferStatus(DEPTH_CMP_LEQ_WRT_ON);
}
pie_SetRendMode(REND_OPAQUE);
}
if (light)
{
const float ambient[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
const float diffuse[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
const float specular[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
const float shininess = 10;
glEnable(GL_LIGHTING);
glEnable(GL_NORMALIZE);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, ambient);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shininess);
}
if (pieFlag & pie_HEIGHT_SCALED) // construct
{
glScalef(1.0f, (float)pieFlagData / (float)pie_RAISE_SCALE, 1.0f);
}
if (pieFlag & pie_RAISE) // collapse
{
glTranslatef(1.0f, (-shape->max.y * (pie_RAISE_SCALE - pieFlagData)) / pie_RAISE_SCALE, 1.0f);
}
glColor4ubv(colour.vector); // Only need to set once for entire model
pie_SetTexturePage(shape->texpage);
// Activate TCMask if needed
if (shape->flags & iV_IMD_TCMASK && rendStates.rendMode == REND_OPAQUE)
{
#ifdef _DEBUG
glErrors();
#endif
if (pie_GetShadersStatus())
{
pie_ActivateShader_TCMask(teamcolour, shape->tcmaskpage);
}
else
{
//Set the environment colour with tcmask
GLfloat tc_env_colour[4];
pal_PIELIGHTtoRGBA4f(&tc_env_colour[0], teamcolour);
// TU0
glActiveTexture(GL_TEXTURE0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, tc_env_colour);
// TU0 RGB
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_ADD_SIGNED);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_CONSTANT);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
// TU0 Alpha
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
// TU1
glActiveTexture(GL_TEXTURE1);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _TEX_PAGE[shape->tcmaskpage].id);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
// TU1 RGB
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_TEXTURE0);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
// TU1 Alpha
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
// This is why we are doing in opaque mode.
glEnable(GL_BLEND);
glBlendFunc(GL_CONSTANT_COLOR, GL_ZERO);
glBlendColor(colour.byte.r / 255.0, colour.byte.g / 255.0,
colour.byte.b / 255.0, colour.byte.a / 255.0);
}
#ifdef _DEBUG
glErrors();
#endif
}
for (pPolys = shape->polys; pPolys < shape->polys + shape->npolys; pPolys++)
{
Vector2f texCoords[pie_MAX_VERTICES_PER_POLYGON];
Vector3f vertexCoords[pie_MAX_VERTICES_PER_POLYGON];
unsigned int n;
VERTEXID *index;
for (n = 0, index = pPolys->pindex;
n < pPolys->npnts;
n++, index++)
{
vertexCoords[n].x = shape->points[*index].x;
vertexCoords[n].y = shape->points[*index].y;
vertexCoords[n].z = shape->points[*index].z;
texCoords[n].x = pPolys->texCoord[n].x;
texCoords[n].y = pPolys->texCoord[n].y;
}
polyCount++;
// Run TextureAnimation (exluding the new teamcoloured models)
if (frame && pPolys->flags & iV_IMD_TEXANIM && !(shape->flags & iV_IMD_TCMASK))
{
frame %= shape->numFrames;
if (frame > 0)
{
const int framesPerLine = OLD_TEXTURE_SIZE_FIX / (pPolys->texAnim.x * OLD_TEXTURE_SIZE_FIX);
const int uFrame = (frame % framesPerLine) * (pPolys->texAnim.x * OLD_TEXTURE_SIZE_FIX);
const int vFrame = (frame / framesPerLine) * (pPolys->texAnim.y * OLD_TEXTURE_SIZE_FIX);
for (n = 0; n < pPolys->npnts; n++)
{
texCoords[n].x += uFrame / OLD_TEXTURE_SIZE_FIX;
texCoords[n].y += vFrame / OLD_TEXTURE_SIZE_FIX;
}
}
}
glBegin(GL_TRIANGLE_FAN);
if (light)
{
glNormal3fv((GLfloat*)&pPolys->normal);
}
for (n = 0; n < pPolys->npnts; n++)
{
glTexCoord2fv((GLfloat*)&texCoords[n]);
if (shape->flags & iV_IMD_TCMASK && rendStates.rendMode == REND_OPAQUE &&
!pie_GetShadersStatus())
{
glMultiTexCoord2fv(GL_TEXTURE1, (GLfloat*)&texCoords[n]);
}
glVertex3fv((GLfloat*)&vertexCoords[n]);
}
glEnd();
}
// Deactivate TCMask if it was previously enabled
if (shape->flags & iV_IMD_TCMASK && rendStates.rendMode == REND_OPAQUE)
{
if (pie_GetShadersStatus())
{
pie_DeactivateShader();
}
else
{
glDisable(GL_BLEND);
glActiveTexture(GL_TEXTURE1);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glDisable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
}
if (pieFlag & pie_BUTTON)
{
pie_SetDepthBufferStatus(DEPTH_CMP_ALWAYS_WRT_ON);
}
if (light)
{
glDisable(GL_LIGHTING);
glDisable(GL_NORMALIZE);
}
}
/* Initialise the double buffered display */
bool screenInitialise()
{
char buf[256];
GLint glMaxTUs;
GLenum err;
glErrors();
err = glewInit();
if (GLEW_OK != err)
{
debug(LOG_FATAL, "Error: %s", glewGetErrorString(err));
exit(1);
}
// Copy this info to be used by the crash handler for the dump file
ssprintf(buf, "OpenGL Vendor: %s", glGetString(GL_VENDOR));
addDumpInfo(buf);
ssprintf(buf, "OpenGL Renderer: %s", glGetString(GL_RENDERER));
addDumpInfo(buf);
ssprintf(buf, "OpenGL Version: %s", glGetString(GL_VERSION));
addDumpInfo(buf);
if (GLEW_VERSION_2_0)
{
ssprintf(buf, "OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
addDumpInfo(buf);
}
/* Dump general information about OpenGL implementation to the console and the dump file */
ssprintf(buf, "OpenGL Vendor: %s", glGetString(GL_VENDOR));
addDumpInfo(buf);
debug(LOG_3D, "%s", buf);
ssprintf(buf, "OpenGL Renderer: %s", glGetString(GL_RENDERER));
addDumpInfo(buf);
debug(LOG_3D, "%s", buf);
ssprintf(buf, "OpenGL Version: %s", glGetString(GL_VERSION));
addDumpInfo(buf);
debug(LOG_3D, "%s", buf);
ssprintf(buf, "GLEW Version: %s", glewGetString(GLEW_VERSION));
addDumpInfo(buf);
debug(LOG_3D, "%s", buf);
/* Dump extended information about OpenGL implementation to the console */
debug(LOG_3D, "OpenGL Extensions : %s", glGetString(GL_EXTENSIONS)); // FIXME This is too much for MAX_LEN_LOG_LINE
debug(LOG_3D, "Supported OpenGL extensions:");
debug(LOG_3D, " * OpenGL 1.2 %s supported!", GLEW_VERSION_1_2 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.3 %s supported!", GLEW_VERSION_1_3 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.4 %s supported!", GLEW_VERSION_1_4 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.5 %s supported!", GLEW_VERSION_1_5 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.0 %s supported!", GLEW_VERSION_2_0 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.1 %s supported!", GLEW_VERSION_2_1 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 3.0 %s supported!", GLEW_VERSION_3_0 ? "is" : "is NOT");
debug(LOG_3D, " * Texture compression %s supported.", GLEW_ARB_texture_compression ? "is" : "is NOT");
debug(LOG_3D, " * Two side stencil %s supported.", GLEW_EXT_stencil_two_side ? "is" : "is NOT");
debug(LOG_3D, " * ATI separate stencil is%s supported.", GLEW_ATI_separate_stencil ? "" : " NOT");
debug(LOG_3D, " * Stencil wrap %s supported.", GLEW_EXT_stencil_wrap ? "is" : "is NOT");
debug(LOG_3D, " * Anisotropic filtering %s supported.", GLEW_EXT_texture_filter_anisotropic ? "is" : "is NOT");
debug(LOG_3D, " * Rectangular texture %s supported.", GLEW_ARB_texture_rectangle ? "is" : "is NOT");
debug(LOG_3D, " * FrameBuffer Object (FBO) %s supported.", GLEW_EXT_framebuffer_object ? "is" : "is NOT");
debug(LOG_3D, " * Vertex Buffer Object (VBO) %s supported.", GLEW_ARB_vertex_buffer_object ? "is" : "is NOT");
debug(LOG_3D, " * NPOT %s supported.", GLEW_ARB_texture_non_power_of_two ? "is" : "is NOT");
debug(LOG_3D, " * texture cube_map %s supported.", GLEW_ARB_texture_cube_map ? "is" : "is NOT");
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glMaxTUs);
debug(LOG_3D, " * Total number of Texture Units (TUs) supported is %d.", (int) glMaxTUs);
screenWidth = MAX(screenWidth, 640);
screenHeight = MAX(screenHeight, 480);
/* Dump information about OpenGL 2.0+ implementation to the console and the dump file */
if (GLEW_VERSION_2_0)
{
GLint glMaxTIUs, glMaxTCs, glMaxTIUAs, glmaxSamples, glmaxSamplesbuf;
debug(LOG_3D, " * OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
ssprintf(buf, "OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
addDumpInfo(buf);
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &glMaxTIUs);
debug(LOG_3D, " * Total number of Texture Image Units (TIUs) supported is %d.", (int) glMaxTIUs);
glGetIntegerv(GL_MAX_TEXTURE_COORDS, &glMaxTCs);
debug(LOG_3D, " * Total number of Texture Coords (TCs) supported is %d.", (int) glMaxTCs);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,&glMaxTIUAs);
debug(LOG_3D, " * Total number of Texture Image Units ARB(TIUAs) supported is %d.", (int) glMaxTIUAs);
glGetIntegerv(GL_SAMPLE_BUFFERS, &glmaxSamplesbuf);
debug(LOG_3D, " * (current) Max Sample buffer is %d.", (int) glmaxSamplesbuf);
glGetIntegerv(GL_SAMPLES, &glmaxSamples);
debug(LOG_3D, " * (current) Max Sample level is %d.", (int) glmaxSamples);
pie_LoadShaders();
}
else
{
debug(LOG_FATAL, "OpenGL 2.0 is not supported by your system. The game require this. Please upgrade your graphics drivers, if possible.");
exit(1);
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glErrors();
return true;
}
void pie_ActivateShader(int shaderMode, const iIMDShape *shape, PIELIGHT teamcolour, PIELIGHT colour)
{
int maskpage = shape->tcmaskpage;
int normalpage = shape->normalpage;
int specularpage = shape->specularpage;
GLfloat colour4f[4];
SHADER_PROGRAM program = shaderProgram[shaderMode];
if (shaderMode != currentShaderMode)
{
glUseProgram(program.program);
// These do not change during our drawing pass
glUniform1i(program.locFog, rendStates.fog);
glUniform1f(program.locTime, timeState);
currentShaderMode = shaderMode;
}
glColor4ubv(colour.vector);
pie_SetTexturePage(shape->texpage);
pal_PIELIGHTtoRGBA4f(&colour4f[0], teamcolour);
glUniform4fv(program.locTeam, 1, &colour4f[0]);
glUniform1i(program.locTCMask, maskpage != iV_TEX_INVALID);
if (program.locStretch >= 0)
{
glUniform1f(program.locStretch, shaderStretch);
}
if (program.locNormalMap >= 0)
{
glUniform1i(program.locNormalMap, normalpage != iV_TEX_INVALID);
}
if (program.locSpecularMap >= 0)
{
glUniform1i(program.locSpecularMap, specularpage != iV_TEX_INVALID);
}
if (program.locEcm >= 0)
{
glUniform1i(program.locEcm, ecmState);
}
if (maskpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, pie_Texture(maskpage));
}
if (normalpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, pie_Texture(normalpage));
}
if (specularpage != iV_TEX_INVALID)
{
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, pie_Texture(specularpage));
}
glActiveTexture(GL_TEXTURE0);
#ifdef _DEBUG
glErrors();
#endif
}