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C++ IProgramObject::SetUniform4fv方法代码示例

本文整理汇总了C++中shader::IProgramObject::SetUniform4fv方法的典型用法代码示例。如果您正苦于以下问题:C++ IProgramObject::SetUniform4fv方法的具体用法?C++ IProgramObject::SetUniform4fv怎么用?C++ IProgramObject::SetUniform4fv使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在shader::IProgramObject的用法示例。


在下文中一共展示了IProgramObject::SetUniform4fv方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Draw

void CAdvTreeDrawer::Draw(float treeDistance, bool drawReflection)
{
	const int activeFarTex = (camera->forward.z < 0.0f)? treeGen->farTex[0]: treeGen->farTex[1];
	const bool drawDetailed = ((treeDistance >= 4.0f) || drawReflection);

	CBaseGroundDrawer* gd = readmap->GetGroundDrawer();
	Shader::IProgramObject* treeShader = NULL;

	#define L mapInfo->light

	glEnable(GL_ALPHA_TEST);
	glEnable(GL_TEXTURE_2D);

	if (globalRendering->drawFog) {
		glFogfv(GL_FOG_COLOR, mapInfo->atmosphere.fogColor);
		glEnable(GL_FOG);
	}


	if (shadowHandler->shadowsLoaded && !gd->DrawExtraTex()) {
		glActiveTexture(GL_TEXTURE1);
		glBindTexture(GL_TEXTURE_2D, activeFarTex);
		glActiveTexture(GL_TEXTURE0);
		glBindTexture(GL_TEXTURE_2D, shadowHandler->shadowTexture);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
		glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);

		treeShader = treeShaders[TREE_PROGRAM_DIST_SHADOW];
		treeShader->Enable();

		if (globalRendering->haveGLSL) {
			treeShader->SetUniformMatrix4fv(7, false, &shadowHandler->shadowMatrix.m[0]);
			treeShader->SetUniform4fv(8, &(shadowHandler->GetShadowParams().x));
		} else {
			treeShader->SetUniformTarget(GL_FRAGMENT_PROGRAM_ARB);
			treeShader->SetUniform4f(10, L.groundAmbientColor.x, L.groundAmbientColor.y, L.groundAmbientColor.z, 1.0f);
			treeShader->SetUniform4f(11, 0.0f, 0.0f, 0.0f, 1.0f - (sky->GetLight()->GetGroundShadowDensity() * 0.5f));
			treeShader->SetUniformTarget(GL_VERTEX_PROGRAM_ARB);

			glMatrixMode(GL_MATRIX0_ARB);
			glLoadMatrixf(shadowHandler->shadowMatrix.m);
			glMatrixMode(GL_MODELVIEW);
		}
	} else {
		glBindTexture(GL_TEXTURE_2D, activeFarTex);
	}


	const int cx = int(camera->pos.x / (SQUARE_SIZE * TREE_SQUARE_SIZE));
	const int cy = int(camera->pos.z / (SQUARE_SIZE * TREE_SQUARE_SIZE));

	CAdvTreeSquareDrawer drawer(this, cx, cy, treeDistance * SQUARE_SIZE * TREE_SQUARE_SIZE, drawDetailed);

	GML_STDMUTEX_LOCK(tree); // Draw

	oldTreeDistance = treeDistance;

	// draw far-trees using map-dependent grid-visibility
	readmap->GridVisibility(camera, TREE_SQUARE_SIZE, drawer.treeDistance * 2.0f, &drawer);


	if (drawDetailed) {
		// draw near-trees
		const int xstart = std::max(                              0, cx - 2);
		const int xend   = std::min(gs->mapx / TREE_SQUARE_SIZE - 1, cx + 2);
		const int ystart = std::max(                              0, cy - 2);
		const int yend   = std::min(gs->mapy / TREE_SQUARE_SIZE - 1, cy + 2);

		if (shadowHandler->shadowsLoaded && !gd->DrawExtraTex()) {
			treeShader->Disable();
			treeShader = treeShaders[TREE_PROGRAM_NEAR_SHADOW];
			treeShader->Enable();

			if (globalRendering->haveGLSL) {
				treeShader->SetUniformMatrix4fv(7, false, &shadowHandler->shadowMatrix.m[0]);
				treeShader->SetUniform4fv(8, &(shadowHandler->GetShadowParams().x));
			}

			glActiveTexture(GL_TEXTURE1);
			glEnable(GL_TEXTURE_2D);
			glBindTexture(GL_TEXTURE_2D, treeGen->barkTex);
			glActiveTexture(GL_TEXTURE0);
		} else {
			glBindTexture(GL_TEXTURE_2D, treeGen->barkTex);

			treeShader = treeShaders[TREE_PROGRAM_NEAR_BASIC];
			treeShader->Enable();

			if (!globalRendering->haveGLSL) {
				#define MX (gs->pwr2mapx * SQUARE_SIZE)
				#define MY (gs->pwr2mapy * SQUARE_SIZE)
				treeShader->SetUniformTarget(GL_VERTEX_PROGRAM_ARB);
				treeShader->SetUniform4f(15, 1.0f / MX, 1.0f / MY, 1.0f / MX, 1.0f);
				#undef MX
				#undef MY
			}
		}


//.........这里部分代码省略.........
开发者ID:BrainDamage,项目名称:spring,代码行数:101,代码来源:AdvTreeDrawer.cpp


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