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-rw-r--r--src/graphics/opengl/gldevice.cpp411
1 files changed, 152 insertions, 259 deletions
diff --git a/src/graphics/opengl/gldevice.cpp b/src/graphics/opengl/gldevice.cpp
index b42f29d..a197b18 100644
--- a/src/graphics/opengl/gldevice.cpp
+++ b/src/graphics/opengl/gldevice.cpp
@@ -1,18 +1,21 @@
-// * This file is part of the COLOBOT source code
-// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
-// *
-// * This program is free software: you can redistribute it and/or modify
-// * it under the terms of the GNU General Public License as published by
-// * the Free Software Foundation, either version 3 of the License, or
-// * (at your option) any later version.
-// *
-// * This program is distributed in the hope that it will be useful,
-// * but WITHOUT ANY WARRANTY; without even the implied warranty of
-// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// * GNU General Public License for more details.
-// *
-// * You should have received a copy of the GNU General Public License
-// * along with this program. If not, see http://www.gnu.org/licenses/.
+/*
+ * This file is part of the Colobot: Gold Edition source code
+ * Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
+ * http://epsiteс.ch; http://colobot.info; http://github.com/colobot
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://gnu.org/licenses
+ */
#include "graphics/opengl/gldevice.h"
@@ -65,6 +68,7 @@ CGLDevice::CGLDevice(const GLDeviceConfig &config)
m_lastVboId = 0;
m_multitextureAvailable = false;
m_vboAvailable = false;
+ m_vertexBufferType = VBT_DISPLAY_LIST;
}
@@ -183,7 +187,7 @@ bool CGLDevice::Create()
{
GetLogger()->Info("Creating CDevice\n");
- static bool glewInited = false;
+ /*static*/ bool glewInited = false;
if (!glewInited)
{
@@ -204,22 +208,43 @@ bool CGLDevice::Create()
if (m_config.vboMode == VBO_MODE_ENABLE)
{
GetLogger()->Info("VBO enabled by override - using VBOs\n");
- m_vboAvailable = true;
+ SetVertexBufferType(VBT_VBO_CORE);
}
else if (m_config.vboMode == VBO_MODE_DISABLE)
{
GetLogger()->Info("VBO disabled by override - using display lists\n");
- m_vboAvailable = false;
+ SetVertexBufferType(VBT_DISPLAY_LIST);
}
else
{
GetLogger()->Info("Auto-detecting VBO support\n");
- m_vboAvailable = glewIsSupported("GL_ARB_vertex_buffer_object");
-
- if (m_vboAvailable)
- GetLogger()->Info("Detected ARB_vertex_buffer_object extension - using VBOs\n");
- else
- GetLogger()->Info("No ARB_vertex_buffer_object extension present - using display lists\n");
+
+ // extracting OpenGL version
+ const char *version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
+ int major = 0, minor = 0;
+
+ sscanf(version, "%d.%d", &major, &minor);
+
+ // detecting VBO ARB extension
+ bool vboARB = glewIsSupported("GL_ARB_vertex_buffer_object");
+
+ // VBO is core OpenGL feature since 1.5
+ // everything below 1.5 means no VBO support
+ if(major > 1 || minor > 4)
+ {
+ GetLogger()->Info("OpenGL %d.%d, VBO supported\n", major, minor);
+ SetVertexBufferType(VBT_VBO_CORE);
+ }
+ else if(vboARB) // VBO ARB extension available
+ {
+ GetLogger()->Info("OpenGL %d.%d with GL_ARB_vertex_buffer_object, VBO supported\n", major, minor);
+ SetVertexBufferType(VBT_VBO_ARB);
+ }
+ else // no VBO support
+ {
+ GetLogger()->Info("OpenGL %d.%d without GL_ARB_vertex_buffer_object, VBO not supported\n", major, minor);
+ SetVertexBufferType(VBT_DISPLAY_LIST);
+ }
}
}
@@ -288,11 +313,13 @@ void CGLDevice::ConfigChanged(const GLDeviceConfig& newConfig)
void CGLDevice::SetUseVbo(bool vboAvailable)
{
m_vboAvailable = vboAvailable;
+ m_vertexBufferType = vboAvailable ? VBT_VBO_CORE : VBT_DISPLAY_LIST;
}
-bool CGLDevice::GetUseVbo()
+void CGLDevice::SetVertexBufferType(VertexBufferType type)
{
- return m_vboAvailable;
+ m_vertexBufferType = type;
+ m_vboAvailable = (type != VBT_DISPLAY_LIST);
}
void CGLDevice::BeginScene()
@@ -339,44 +366,6 @@ void CGLDevice::SetTransform(TransformType type, const Math::Matrix &matrix)
}
}
-const Math::Matrix& CGLDevice::GetTransform(TransformType type)
-{
- if (type == TRANSFORM_WORLD)
- return m_worldMat;
- else if (type == TRANSFORM_VIEW)
- return m_viewMat;
- else if (type == TRANSFORM_PROJECTION)
- return m_projectionMat;
- else
- assert(false);
-
- return m_worldMat; // to avoid warning
-}
-
-void CGLDevice::MultiplyTransform(TransformType type, const Math::Matrix &matrix)
-{
- if (type == TRANSFORM_WORLD)
- {
- m_worldMat = Math::MultiplyMatrices(m_worldMat, matrix);
- UpdateModelviewMatrix();
- }
- else if (type == TRANSFORM_VIEW)
- {
- m_viewMat = Math::MultiplyMatrices(m_viewMat, matrix);
- UpdateModelviewMatrix();
- }
- else if (type == TRANSFORM_PROJECTION)
- {
- m_projectionMat = Math::MultiplyMatrices(m_projectionMat, matrix);
- glMatrixMode(GL_PROJECTION);
- glLoadMatrixf(m_projectionMat.Array());
- }
- else
- {
- assert(false);
- }
-}
-
void CGLDevice::UpdateModelviewMatrix()
{
m_modelviewMat = Math::MultiplyMatrices(m_viewMat, m_worldMat);
@@ -402,11 +391,6 @@ void CGLDevice::SetMaterial(const Material &material)
glMaterialfv(GL_FRONT, GL_SPECULAR, m_material.specular.Array());
}
-const Material& CGLDevice::GetMaterial()
-{
- return m_material;
-}
-
int CGLDevice::GetMaxLightCount()
{
return m_lights.size();
@@ -482,14 +466,6 @@ void CGLDevice::UpdateLightPosition(int index)
glPopMatrix();
}
-const Light& CGLDevice::GetLight(int index)
-{
- assert(index >= 0);
- assert(index < static_cast<int>( m_lights.size() ));
-
- return m_lights[index];
-}
-
void CGLDevice::SetLightEnabled(int index, bool enabled)
{
assert(index >= 0);
@@ -503,14 +479,6 @@ void CGLDevice::SetLightEnabled(int index, bool enabled)
glDisable(GL_LIGHT0 + index);
}
-bool CGLDevice::GetLightEnabled(int index)
-{
- assert(index >= 0);
- assert(index < static_cast<int>( m_lights.size() ));
-
- return m_lightsEnabled[index];
-}
-
/** If image is invalid, returns invalid texture.
Otherwise, returns pointer to new Texture struct.
This struct must not be deleted in other way than through DeleteTexture() */
@@ -781,15 +749,6 @@ void CGLDevice::SetTexture(int index, unsigned int textureId)
UpdateTextureParams(index);
}
-/**
- Returns the previously assigned texture or invalid texture if the given stage is not enabled. */
-Texture CGLDevice::GetTexture(int index)
-{
- assert(index >= 0 && index < static_cast<int>( m_currentTextures.size() ));
-
- return m_currentTextures[index];
-}
-
void CGLDevice::SetTextureEnabled(int index, bool enabled)
{
assert(index >= 0 && index < static_cast<int>( m_currentTextures.size() ));
@@ -813,13 +772,6 @@ void CGLDevice::SetTextureEnabled(int index, bool enabled)
glDisable(GL_TEXTURE_2D);
}
-bool CGLDevice::GetTextureEnabled(int index)
-{
- assert(index >= 0 && index < static_cast<int>( m_currentTextures.size() ));
-
- return m_texturesEnabled[index];
-}
-
/**
Sets the texture parameters for the given texture stage.
If the given texture was not set (bound) yet, nothing happens.
@@ -851,13 +803,13 @@ void CGLDevice::UpdateTextureParams(int index)
glActiveTexture(GL_TEXTURE0 + index);
if (params.wrapS == TEX_WRAP_CLAMP)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
else if (params.wrapS == TEX_WRAP_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
else assert(false);
if (params.wrapT == TEX_WRAP_CLAMP)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
else if (params.wrapT == TEX_WRAP_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
else assert(false);
@@ -990,25 +942,18 @@ void CGLDevice::SetTextureStageWrap(int index, TexWrapMode wrapS, TexWrapMode wr
glActiveTexture(GL_TEXTURE0 + index);
if (wrapS == TEX_WRAP_CLAMP)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
else if (wrapS == TEX_WRAP_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
else assert(false);
if (wrapT == TEX_WRAP_CLAMP)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
else if (wrapT == TEX_WRAP_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
else assert(false);
}
-TextureStageParams CGLDevice::GetTextureStageParams(int index)
-{
- assert(index >= 0 && index < static_cast<int>( m_currentTextures.size() ));
-
- return m_textureStageParams[index];
-}
-
GLenum TranslateGfxPrimitive(PrimitiveType type)
{
GLenum flag = 0;
@@ -1117,10 +1062,20 @@ unsigned int CGLDevice::CreateStaticBuffer(PrimitiveType primitiveType, const Ve
info.vertexCount = vertexCount;
info.bufferId = 0;
- glGenBuffers(1, &info.bufferId);
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glGenBuffers(1, &info.bufferId);
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glGenBuffersARB(1, &info.bufferId);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
m_vboObjects[id] = info;
}
@@ -1151,10 +1106,20 @@ unsigned int CGLDevice::CreateStaticBuffer(PrimitiveType primitiveType, const Ve
info.vertexCount = vertexCount;
info.bufferId = 0;
- glGenBuffers(1, &info.bufferId);
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glGenBuffers(1, &info.bufferId);
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glGenBuffersARB(1, &info.bufferId);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
m_vboObjects[id] = info;
}
@@ -1184,11 +1149,21 @@ unsigned int CGLDevice::CreateStaticBuffer(PrimitiveType primitiveType, const Ve
info.vertexType = VERTEX_TYPE_COL;
info.vertexCount = vertexCount;
info.bufferId = 0;
-
- glGenBuffers(1, &info.bufferId);
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glGenBuffers(1, &info.bufferId);
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glGenBuffersARB(1, &info.bufferId);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
m_vboObjects[id] = info;
}
@@ -1219,9 +1194,18 @@ void CGLDevice::UpdateStaticBuffer(unsigned int bufferId, PrimitiveType primitiv
info.vertexType = VERTEX_TYPE_NORMAL;
info.vertexCount = vertexCount;
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(Vertex), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
}
else
{
@@ -1246,9 +1230,18 @@ void CGLDevice::UpdateStaticBuffer(unsigned int bufferId, PrimitiveType primitiv
info.vertexType = VERTEX_TYPE_TEX2;
info.vertexCount = vertexCount;
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(VertexTex2), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
}
else
{
@@ -1273,9 +1266,18 @@ void CGLDevice::UpdateStaticBuffer(unsigned int bufferId, PrimitiveType primitiv
info.vertexType = VERTEX_TYPE_COL;
info.vertexCount = vertexCount;
- glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
- glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ {
+ glBindBuffer(GL_ARRAY_BUFFER, info.bufferId);
+ glBufferData(GL_ARRAY_BUFFER, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ else
+ {
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, info.bufferId);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexCount * sizeof(VertexCol), vertices, GL_STATIC_DRAW_ARB);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ }
}
else
{
@@ -1296,7 +1298,11 @@ void CGLDevice::DrawStaticBuffer(unsigned int bufferId)
return;
glEnable(GL_VERTEX_ARRAY);
- glBindBuffer(GL_ARRAY_BUFFER, (*it).second.bufferId);
+
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ glBindBuffer(GL_ARRAY_BUFFER, (*it).second.bufferId);
+ else
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, (*it).second.bufferId);
if ((*it).second.vertexType == VERTEX_TYPE_NORMAL)
{
@@ -1368,7 +1374,11 @@ void CGLDevice::DrawStaticBuffer(unsigned int bufferId)
glDisableClientState(GL_COLOR_ARRAY);
}
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ else
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+
glDisable(GL_VERTEX_ARRAY);
}
else
@@ -1385,7 +1395,10 @@ void CGLDevice::DestroyStaticBuffer(unsigned int bufferId)
if (it == m_vboObjects.end())
return;
- glDeleteBuffers(1, &(*it).second.bufferId);
+ if(m_vertexBufferType == VBT_VBO_CORE)
+ glDeleteBuffers(1, &(*it).second.bufferId);
+ else
+ glDeleteBuffersARB(1, &(*it).second.bufferId);
m_vboObjects.erase(it);
}
@@ -1529,30 +1542,6 @@ void CGLDevice::SetRenderState(RenderState state, bool enabled)
glDisable(flag);
}
-bool CGLDevice::GetRenderState(RenderState state)
-{
- if (state == RENDER_STATE_LIGHTING)
- return m_lighting;
-
- GLenum flag = 0;
-
- switch (state)
- {
- case RENDER_STATE_DEPTH_WRITE: flag = GL_DEPTH_WRITEMASK; break;
- case RENDER_STATE_BLENDING: flag = GL_BLEND; break;
- case RENDER_STATE_FOG: flag = GL_FOG; break;
- case RENDER_STATE_DEPTH_TEST: flag = GL_DEPTH_TEST; break;
- case RENDER_STATE_ALPHA_TEST: flag = GL_ALPHA_TEST; break;
- case RENDER_STATE_CULLING: flag = GL_CULL_FACE; break;
- default: assert(false); break;
- }
-
- GLboolean result = GL_FALSE;
- glGetBooleanv(flag, &result);
-
- return result == GL_TRUE;
-}
-
CompFunc TranslateGLCompFunc(GLenum flag)
{
switch (flag)
@@ -1592,39 +1581,16 @@ void CGLDevice::SetDepthTestFunc(CompFunc func)
glDepthFunc(TranslateGfxCompFunc(func));
}
-CompFunc CGLDevice::GetDepthTestFunc()
-{
- GLint flag = 0;
- glGetIntegerv(GL_DEPTH_FUNC, &flag);
- return TranslateGLCompFunc(static_cast<GLenum>(flag));
-}
-
void CGLDevice::SetDepthBias(float factor)
{
glPolygonOffset(factor, 0.0f);
}
-float CGLDevice::GetDepthBias()
-{
- GLfloat result = 0.0f;
- glGetFloatv(GL_POLYGON_OFFSET_FACTOR, &result);
- return result;
-}
-
void CGLDevice::SetAlphaTestFunc(CompFunc func, float refValue)
{
glAlphaFunc(TranslateGfxCompFunc(func), refValue);
}
-void CGLDevice::GetAlphaTestFunc(CompFunc &func, float &refValue)
-{
- GLint flag = 0;
- glGetIntegerv(GL_ALPHA_TEST_FUNC, &flag);
- func = TranslateGLCompFunc(static_cast<GLenum>(flag));
-
- glGetFloatv(GL_ALPHA_TEST_REF, static_cast<GLfloat*>(&refValue));
-}
-
BlendFunc TranslateGLBlendFunc(GLenum flag)
{
switch (flag)
@@ -1671,41 +1637,16 @@ void CGLDevice::SetBlendFunc(BlendFunc srcBlend, BlendFunc dstBlend)
glBlendFunc(TranslateGfxBlendFunc(srcBlend), TranslateGfxBlendFunc(dstBlend));
}
-void CGLDevice::GetBlendFunc(BlendFunc &srcBlend, BlendFunc &dstBlend)
-{
- GLint srcFlag = 0;
- glGetIntegerv(GL_ALPHA_TEST_FUNC, &srcFlag);
- srcBlend = TranslateGLBlendFunc(static_cast<GLenum>(srcFlag));
-
- GLint dstFlag = 0;
- glGetIntegerv(GL_ALPHA_TEST_FUNC, &dstFlag);
- dstBlend = TranslateGLBlendFunc(static_cast<GLenum>(dstFlag));
-}
-
void CGLDevice::SetClearColor(const Color &color)
{
glClearColor(color.r, color.g, color.b, color.a);
}
-Color CGLDevice::GetClearColor()
-{
- GLfloat color[4] = { 0.0f };
- glGetFloatv(GL_COLOR_CLEAR_VALUE, color);
- return Color(color[0], color[1], color[2], color[3]);
-}
-
void CGLDevice::SetGlobalAmbient(const Color &color)
{
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, color.Array());
}
-Color CGLDevice::GetGlobalAmbient()
-{
- GLfloat color[4] = { 0.0f };
- glGetFloatv(GL_LIGHT_MODEL_AMBIENT, color);
- return Color(color[0], color[1], color[2], color[3]);
-}
-
void CGLDevice::SetFogParams(FogMode mode, const Color &color, float start, float end, float density)
{
if (mode == FOG_LINEAR) glFogi(GL_FOG_MODE, GL_LINEAR);
@@ -1719,23 +1660,6 @@ void CGLDevice::SetFogParams(FogMode mode, const Color &color, float start, floa
glFogfv(GL_FOG_COLOR, color.Array());
}
-void CGLDevice::GetFogParams(FogMode &mode, Color &color, float &start, float &end, float &density)
-{
- GLint flag = 0;
- glGetIntegerv(GL_FOG_MODE, &flag);
- if (flag == GL_LINEAR) mode = FOG_LINEAR;
- else if (flag == GL_EXP) mode = FOG_EXP;
- else if (flag == GL_EXP2) mode = FOG_EXP2;
- else assert(false);
-
- glGetFloatv(GL_FOG_START, static_cast<GLfloat*>(&start));
- glGetFloatv(GL_FOG_END, static_cast<GLfloat*>(&end));
- glGetFloatv(GL_FOG_DENSITY, static_cast<GLfloat*>(&density));
- GLfloat col[4] = { 0.0f };
- glGetFloatv(GL_FOG_COLOR, col);
- color = Color(col[0], col[1], col[2], col[3]);
-}
-
void CGLDevice::SetCullMode(CullMode mode)
{
// Cull clockwise back faces, so front face is the opposite
@@ -1745,16 +1669,6 @@ void CGLDevice::SetCullMode(CullMode mode)
else assert(false);
}
-CullMode CGLDevice::GetCullMode()
-{
- GLint flag = 0;
- glGetIntegerv(GL_FRONT_FACE, &flag);
- if (flag == GL_CW) return CULL_CCW;
- else if (flag == GL_CCW) return CULL_CW;
- else assert(false);
- return CULL_CW;
-}
-
void CGLDevice::SetShadeModel(ShadeModel model)
{
if (model == SHADE_FLAT) glShadeModel(GL_FLAT);
@@ -1762,16 +1676,6 @@ void CGLDevice::SetShadeModel(ShadeModel model)
else assert(false);
}
-ShadeModel CGLDevice::GetShadeModel()
-{
- GLint flag = 0;
- glGetIntegerv(GL_SHADE_MODEL, &flag);
- if (flag == GL_FLAT) return SHADE_FLAT;
- else if (flag == GL_SMOOTH) return SHADE_SMOOTH;
- else assert(false);
- return SHADE_FLAT;
-}
-
void CGLDevice::SetFillMode(FillMode mode)
{
if (mode == FILL_POINT) glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
@@ -1780,21 +1684,10 @@ void CGLDevice::SetFillMode(FillMode mode)
else assert(false);
}
-FillMode CGLDevice::GetFillMode()
-{
- GLint flag = 0;
- glGetIntegerv(GL_POLYGON_MODE, &flag);
- if (flag == GL_POINT) return FILL_POINT;
- else if (flag == GL_LINE) return FILL_LINES;
- else if (flag == GL_FILL) return FILL_POLY;
- else assert(false);
- return FILL_POINT;
-}
-
void* CGLDevice::GetFrameBufferPixels()const{
- GLubyte* pixels = new GLubyte [4 * m_config.size.x * m_config.size.y];
-
+ GLubyte* pixels = new GLubyte[4 * m_config.size.x * m_config.size.y];
+
glReadPixels(0, 0, m_config.size.x, m_config.size.y, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
unsigned int* p = static_cast<unsigned int*> ( static_cast<void*>(pixels) );
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-06-02 00:11:00 +0000