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lol
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debug: add a debug example with a shader and a uniform matrix parameter, to 

check that uniforms work properly on the PS3.
legacy
Sam Hocevar sam 13 years ago
parent
1e9cfba718
commit
e3e99deb12
1 changed files with 147 additions and 57 deletions
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  1. +147
    -57
      src/debug/quad.cpp

+ 147
- 57
src/debug/quad.cpp View File

@@ -80,6 +80,24 @@ DebugQuad::DebugQuad()
drawgroup = DRAWGROUP_HUD;
}

DebugQuad::~DebugQuad()
{
delete data;
}

void DebugQuad::Advance()
{
data->aa.x += 4.0f * data->step.x;
data->bb.x += 4.0f * data->step.x;
if (data->bb.x > 1.0f)
{
data->aa.x = data->orig.x;
data->bb.x = data->orig.x + 3.0f * data->step.x;
data->aa.y += 4.0f * data->step.y;
data->bb.y += 4.0f * data->step.y;
}
}

void DebugQuad::TickGame(float deltams)
{
Entity::TickGame(deltams);
@@ -143,16 +161,34 @@ void DebugQuad::TickDraw(float deltams)
data->aa = data->orig;
data->bb = data->orig + 3.0f * data->step;

/* Generate a few random numbers */
float f1 = 0.5f + 0.5f * sinf(0.00034f * data->time);
float f2 = 0.5f + 0.5f * sinf(0.00053f * data->time + 1.0f);
float f3 = 0.5f + 0.5f * sinf(0.00072f * data->time + 4.0f);
float f4 = 0.5f + 0.5f * sinf(0.00091f * data->time + 8.0f);
/* These points form a [0,1][0,1] square */
GLfloat points[12] = { 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f };

GLfloat texcoords[12];
mat4 t1 = mat4::translate(0.5f, 0.5f, 0.0f)
* mat4::rotate(0.00054f * data->time, 0.0f, 0.0f, 1.0f)
* mat4::translate(-0.5f, -0.5f, 0.0f);
for (int i = 0; i < 6; i++)
{
vec4 p = t1 * vec4(points[i * 2], points[i * 2 + 1], 0.0f, 1.0f);
texcoords[i * 2] = p.x;
texcoords[i * 2 + 1] = p.y;
}

GLfloat const colors[] = { f1, f2, f3, f4, f2, f1, f3, f1, f4,
f3, f1, f4, f4, f3, f2, f1, f2, f3 };
GLfloat const texcoords[] = { f1, f3, f3, f2, f2, f4,
f2, f4, f4, f1, f1, f3 };
GLfloat colors[18];
mat4 t2 = mat4::translate(0.5f, 0.5f, 0.5f)
* mat4::rotate(0.00034f * data->time, 0.0f, 0.0f, 1.0f)
* mat4::rotate(0.00041f * data->time, 0.0f, 1.0f, 0.0f)
* mat4::rotate(0.00057f * data->time, 1.0f, 0.0f, 0.0f)
* mat4::translate(-0.5f, -0.5f, 0.0f);
for (int i = 0; i < 6; i++)
{
vec4 p = t2 * vec4(points[i * 2], points[i * 2 + 1], 0.0f, 1.0f);
colors[i * 3] = p.x;
colors[i * 3 + 1] = p.y;
colors[i * 3 + 2] = p.z;
}

/* Cheap iterators */
#if !defined __CELLOS_LV2__ && !defined ANDROID_NDK
@@ -193,17 +229,18 @@ void DebugQuad::TickDraw(float deltams)
*/
#if defined HAVE_GLBEGIN || defined USE_GLEW
glBegin(GL_TRIANGLES);
glColor3f(f1, f2, f3);
glColor3f(colors[0], colors[1], colors[2]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glColor3f(f4, f2, f1);
glColor3f(colors[3], colors[4], colors[5]);
glVertex3f(data->bb.x, data->bb.y, 0.0f);
glColor3f(f3, f1, f4);
glColor3f(colors[6], colors[7], colors[8]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);

glColor3f(colors[9], colors[10], colors[11]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);
glColor3f(f4, f3, f2);
glColor3f(colors[12], colors[13], colors[14]);
glVertex3f(data->aa.x, data->aa.y, 0.0f);
glColor3f(f1, f2, f3);
glColor3f(colors[15], colors[16], colors[17]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glEnd();
#endif
@@ -222,23 +259,24 @@ void DebugQuad::TickDraw(float deltams)
glBindTexture(GL_TEXTURE_2D, data->texture[0]);
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLES);
glColor3f(f1, f2, f3);
glTexCoord2f(f1, f3);
glColor3f(colors[0], colors[1], colors[2]);
glTexCoord2f(texcoords[0], texcoords[1]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glColor3f(f4, f2, f1);
glTexCoord2f(f3, f2);
glColor3f(colors[3], colors[4], colors[5]);
glTexCoord2f(texcoords[2], texcoords[3]);
glVertex3f(data->bb.x, data->bb.y, 0.0f);
glColor3f(f3, f1, f4);
glTexCoord2f(f2, f4);
glColor3f(colors[6], colors[7], colors[8]);
glTexCoord2f(texcoords[4], texcoords[5]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);

glTexCoord2f(f2, f4);
glColor3f(colors[9], colors[10], colors[11]);
glTexCoord2f(texcoords[6], texcoords[7]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);
glColor3f(f4, f3, f2);
glTexCoord2f(f4, f1);
glColor3f(colors[12], colors[13], colors[14]);
glTexCoord2f(texcoords[8], texcoords[9]);
glVertex3f(data->aa.x, data->aa.y, 0.0f);
glColor3f(f1, f2, f3);
glTexCoord2f(f1, f3);
glColor3f(colors[15], colors[16], colors[17]);
glTexCoord2f(texcoords[10], texcoords[11]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glEnd();
glDisable(GL_TEXTURE_2D);
@@ -316,17 +354,18 @@ void DebugQuad::TickDraw(float deltams)
shader++;
glColor3f(0.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLES);
glTexCoord3f(f1, f2, f3);
glTexCoord3f(colors[0], colors[1], colors[2]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glTexCoord3f(f4, f2, f1);
glTexCoord3f(colors[3], colors[4], colors[5]);
glVertex3f(data->bb.x, data->bb.y, 0.0f);
glTexCoord3f(f3, f1, f4);
glTexCoord3f(colors[6], colors[7], colors[8]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);

glTexCoord3f(colors[9], colors[10], colors[11]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);
glTexCoord3f(f4, f3, f2);
glTexCoord3f(colors[12], colors[13], colors[14]);
glVertex3f(data->aa.x, data->aa.y, 0.0f);
glTexCoord3f(f1, f2, f3);
glTexCoord3f(colors[15], colors[16], colors[17]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glEnd();
#endif
@@ -364,18 +403,18 @@ void DebugQuad::TickDraw(float deltams)
glColor3f(0.0f, 1.0f, 1.0f);
glBindTexture(GL_TEXTURE_2D, data->texture[0]);
glBegin(GL_TRIANGLES);
glTexCoord2f(f1, f3);
glTexCoord2f(texcoords[0], texcoords[1]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glTexCoord2f(f3, f2);
glTexCoord2f(texcoords[2], texcoords[3]);
glVertex3f(data->bb.x, data->bb.y, 0.0f);
glTexCoord2f(f2, f4);
glTexCoord2f(texcoords[4], texcoords[5]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);

glTexCoord2f(f2, f4);
glTexCoord2f(texcoords[6], texcoords[7]);
glVertex3f(data->bb.x, data->aa.y, 0.0f);
glTexCoord2f(f4, f1);
glTexCoord2f(texcoords[8], texcoords[9]);
glVertex3f(data->aa.x, data->aa.y, 0.0f);
glTexCoord2f(f1, f3);
glTexCoord2f(texcoords[10], texcoords[11]);
glVertex3f(data->aa.x, data->bb.y, 0.0f);
glEnd();
#endif
@@ -606,7 +645,76 @@ void DebugQuad::TickDraw(float deltams)
ResetState();

/*
* Test #13: vertex buffer + texture & color in 1.10 fragment shader
* Test #13: vertex buffer + uniform matrix for color transform in 1.10
* or Cg fragment shader
*
* Renders a multicoloured square with varying colors.
*/
#if !defined ANDROID_NDK
if (!shader[0])
{
#if !defined __CELLOS_LV2__
shader[0] = Shader::Create(
"#version 110\n"
"varying vec4 pass_Color;"
"uniform mat4 in_Matrix;"
"void main()"
"{"
" gl_Position = gl_Vertex;"
" pass_Color = in_Matrix * vec4(gl_MultiTexCoord0.xy, 0.0, 1.0);"
"}",

"#version 110\n"
"varying vec4 pass_Color;"
"void main()"
"{"
" gl_FragColor = pass_Color;"
"}");
#else
shader[0] = Shader::Create(
"void main(float4 in_Position : POSITION,"
" float2 in_TexCoord : TEXCOORD0,"
" uniform float4x4 in_Matrix,"
" out float4 out_Color : COLOR,"
" out float4 out_Position : POSITION)"
"{"
" out_Position = in_Position;"
" out_Color = mul(in_Matrix, float4(in_TexCoord, 0, 1));"
"}",

"void main(float4 in_Color : COLOR,"
" out float4 out_FragColor : COLOR)"
"{"
" out_FragColor = in_Color;"
"}");
#endif
uni[0] = shader[0]->GetUniformLocation("in_Matrix");
}
shader[0]->Bind();
shader++;
#if !defined __CELLOS_LV2__
glUniformMatrix4fv(uni[0], 1, GL_FALSE, &t2[0][0]);
#else
cgGLSetMatrixParameterfc((CGparameter)(intptr_t)uni[0], &t2[0][0]);
#endif
uni++;

glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);

glVertexPointer(3, GL_FLOAT, 0, data->GetVertexArray());
glTexCoordPointer(2, GL_FLOAT, 0, points);
glDrawArrays(GL_TRIANGLES, 0, 6);

glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#endif

Advance();
ResetState();

/*
* Test #14: vertex buffer + texture & color in 1.10 fragment shader
*
* Renders a multicoloured square with varying colors xored with an
* animated distorted checkerboard.
@@ -679,7 +787,7 @@ void DebugQuad::TickDraw(float deltams)
ResetState();

/*
* Test #14: vertex buffer + texture & color in 1.20 fragment shader
* Test #15: vertex buffer + texture & color in 1.20 fragment shader
*
* Renders a multicoloured square with varying colors xored with an
* animated distorted checkerboard.
@@ -749,7 +857,7 @@ void DebugQuad::TickDraw(float deltams)
ResetState();

/*
* Test #15: vertex buffer + texture & color in 1.30 fragment shader
* Test #16: vertex buffer + texture & color in 1.30 fragment shader
*
* Renders a multicoloured square with varying colors xored with an
* animated distorted checkerboard.
@@ -860,23 +968,5 @@ void DebugQuad::ResetState()
#endif
}

void DebugQuad::Advance()
{
data->aa.x += 4.0f * data->step.x;
data->bb.x += 4.0f * data->step.x;
if (data->bb.x > 1.0f)
{
data->aa.x = data->orig.x;
data->bb.x = data->orig.x + 3.0f * data->step.x;
data->aa.y += 4.0f * data->step.y;
data->bb.y += 4.0f * data->step.y;
}
}

DebugQuad::~DebugQuad()
{
delete data;
}

} /* namespace lol */


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