diff options
Diffstat (limited to 'src/gl_calls.cpp')
| -rw-r--r-- | src/gl_calls.cpp | 149 |
1 files changed, 145 insertions, 4 deletions
diff --git a/src/gl_calls.cpp b/src/gl_calls.cpp index 3db9e6a..0fe2a31 100644 --- a/src/gl_calls.cpp +++ b/src/gl_calls.cpp @@ -1,3 +1,7 @@ +#if SPECIAL +#include "main.h" +#endif + #include "gl_calls.h" const char *DefaultVertexShaderSource = "#version 330 core\n" @@ -5,9 +9,12 @@ const char *DefaultVertexShaderSource = "#version 330 core\n" "layout (location = 1) in vec2 aTexCoord;\n" "out vec2 TexCoord;\n" "uniform int VertexMode;\n" -"uniform vec3 CompDimensions;\n" +"uniform vec2 CompDimensions;\n" "uniform vec2 LayerDimensions;\n" +"uniform vec2 ScreenDimensions;\n" "uniform vec2 Pos;\n" +"uniform vec2 UIOffset;\n" +"uniform vec2 UIZoom;\n" "uniform vec2 Anchor;\n" "uniform float Rad;\n" "uniform float Scale;\n" @@ -21,7 +28,11 @@ const char *DefaultVertexShaderSource = "#version 330 core\n" " vec2 XAxis = (Point.x - (Anchor.x * LayerDimensions.x)) * Scale * XRotation;\n" " vec2 YAxis = (Point.y - (Anchor.y * LayerDimensions.y)) * -Scale * YRotation;\n" " vec2 CompPoint = Pos + vec2(XAxis + YAxis);\n" -" gl_Position = vec4(vec2(CompPoint.x / CompDimensions.x, CompPoint.y / CompDimensions.y) * 2 - 1.0f, 0.0f, 1.0);\n" +" vec2 CompUV = CompPoint / CompDimensions;\n" +" vec2 ScreenPoint = UIOffset + (CompUV * UIZoom);\n" +" vec2 ScreenUV = ScreenPoint / ScreenDimensions;\n" +" vec2 GL_Space = ScreenUV * 2 - vec2(1.0f, 1.0f);\n" +" gl_Position = vec4(vec2(GL_Space.x, -GL_Space.y), 0.0f, 1.0);\n" "}\n" " TexCoord = aTexCoord;\n" "}\0"; @@ -166,9 +177,131 @@ GL_DeleteHWBuffer(gl_effect_layer *Test) } static void +GL_RasterizeShape2(gl_effect_layer *TestM, void *StrokeData, void *FillData, uint32 StrokeCount, uint32 FillCount, + layer_transforms T, int Width, int Height, int BytesPerPixel, + int L_Width, int L_Height,v4 StrokeCol, v4 FillCol, int RenderMode, int Vector, + ImVec2 ViewportSize, ImVec2 UIPos, ImVec2 UIZoom) +{ + int Uniform = 0; + + // stencil buffer + glEnable(GL_STENCIL_TEST); + glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glClear(GL_STENCIL_BUFFER_BIT); + glStencilFunc(GL_ALWAYS, 0, 0xFF); + glStencilMask(0xff); + glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); + + Uniform = glGetUniformLocation(DefaultShaderProgram, "CompDimensions"); + glUniform2f(Uniform, Width, Height); + Uniform = glGetUniformLocation(DefaultShaderProgram, "LayerDimensions"); + glUniform2f(Uniform, L_Width, L_Height); + Uniform = glGetUniformLocation(DefaultShaderProgram, "ScreenDimensions"); + glUniform2f(Uniform, ViewportSize.x, ViewportSize.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "UIOffset"); + glUniform2f(Uniform, UIPos.x, UIPos.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "UIZoom"); + glUniform2f(Uniform, UIZoom.x, UIZoom.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "Pos"); + glUniform2f(Uniform, T.x, T.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "Anchor"); + glUniform2f(Uniform, T.ax, T.ay); + real32 Rad = (T.rotation * (PI / 180)); + Uniform = glGetUniformLocation(DefaultShaderProgram, "Rad"); + glUniform1f(Uniform, Rad); + Uniform = glGetUniformLocation(DefaultShaderProgram, "Scale"); + glUniform1f(Uniform, T.scale); + + if (RenderMode == 0 || RenderMode == 1) + { + + Uniform = glGetUniformLocation(DefaultShaderProgram, "VertexMode"); + glUniform1i(Uniform, 1); + Uniform = glGetUniformLocation(DefaultShaderProgram, "FragmentMode"); + glUniform1i(Uniform, 1); + + // fill + // vertices + glBindBuffer(GL_ARRAY_BUFFER, ShapeVerts.VertexBufferObject); + glBufferData(GL_ARRAY_BUFFER, sizeof(real32) * 4 * FillCount, FillData, GL_STATIC_DRAW); + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0); + glEnableVertexAttribArray(0); + glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)(2 * sizeof(float))); + + // stencil buffer + glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, GL_INCR_WRAP); + glStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, GL_DECR_WRAP); + glDisable(GL_CULL_FACE); + + glDrawArrays(GL_TRIANGLE_FAN, 0, FillCount); + // + + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glBindVertexArray(0); + + Uniform = glGetUniformLocation(DefaultShaderProgram, "VertexMode"); + glUniform1i(Uniform, 0); + Uniform = glGetUniformLocation(DefaultShaderProgram, "FragmentMode"); + glUniform1i(Uniform, 1); + Uniform = glGetUniformLocation(DefaultShaderProgram, "InputCol"); + glUniform3f(Uniform, FillCol.r, FillCol.g, FillCol.b); + + // stencil for fill + // + // vertices + glBindBuffer(GL_ARRAY_BUFFER, DefaultVerts.VertexBufferObject); + glBufferData(GL_ARRAY_BUFFER, sizeof(GL_DefaultVertices), GL_DefaultVertices, GL_STATIC_DRAW); + glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0); + glEnableVertexAttribArray(0); + glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)(3 * sizeof(float))); + glEnableVertexAttribArray(1); + + // stencil buffer + glStencilFunc(GL_NOTEQUAL, 0, 0xFF); + glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO); + + glDrawElements(GL_TRIANGLE_STRIP, 6, GL_UNSIGNED_INT, 0); + // + } else { + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + } + + // stencil buffer not needed + glDisable(GL_STENCIL_TEST); + glStencilMask(0xFF); + glStencilFunc(GL_ALWAYS, 0, 0xFF); + + glBindVertexArray(0); + + if (RenderMode == 0 || RenderMode == 2) { + Uniform = glGetUniformLocation(DefaultShaderProgram, "VertexMode"); + glUniform1i(Uniform, 1); + Uniform = glGetUniformLocation(DefaultShaderProgram, "FragmentMode"); + glUniform1i(Uniform, 1); + Uniform = glGetUniformLocation(DefaultShaderProgram, "InputCol"); + glUniform3f(Uniform, StrokeCol.r, StrokeCol.g, StrokeCol.b); + + // stroke + // + glBindBuffer(GL_ARRAY_BUFFER, ShapeVerts.VertexBufferObject); + glBufferData(GL_ARRAY_BUFFER, sizeof(real32) * 4 * StrokeCount, StrokeData, GL_STATIC_DRAW); + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0); + glEnableVertexAttribArray(0); + glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)(2 * sizeof(float))); + glEnableVertexAttribArray(1); + + glDrawArrays(GL_TRIANGLE_STRIP, 0, StrokeCount); + // + } +} + +static void GL_RasterizeShape(gl_effect_layer *TestL, gl_effect_layer *TestM, void *StrokeData, void *FillData, uint32 StrokeCount, uint32 FillCount, - layer_transforms T, int Width, int Height, int BytesPerPixel, void *EffectBitmapAddress, int L_Width, int L_Height, v4 StrokeCol, v4 FillCol, int RenderMode) + layer_transforms T, int Width, int Height, int BytesPerPixel, void *EffectBitmapAddress, int L_Width, int L_Height, v4 StrokeCol, v4 FillCol, int RenderMode, int Vector, + ImVec2 ViewportSize, ImVec2 UIZoom, ImVec2 UIPos) { +#if 0 int Uniform = 0; glBindTexture(GL_TEXTURE_2D, TestL->Texture); int ByteFlag = (BytesPerPixel == 4) ? GL_RGBA : GL_RGBA16; @@ -176,7 +309,8 @@ GL_RasterizeShape(gl_effect_layer *TestL, gl_effect_layer *TestM, void *StrokeDa glTexImage2D(GL_TEXTURE_2D, 0, ByteFlag, Width, Height, 0, GL_RGBA, ByteFlag2, EffectBitmapAddress); - GL_UpdateTexture(TestL, EffectBitmapAddress, Width, Height, BytesPerPixel, 0); + if (!Vector) + GL_UpdateTexture(TestL, EffectBitmapAddress, Width, Height, BytesPerPixel, 0); GL_UpdateTexture(TestM, EffectBitmapAddress, Width, Height, BytesPerPixel, 1); glBindFramebuffer(GL_FRAMEBUFFER, TestM->FramebufferObject); @@ -196,8 +330,14 @@ GL_RasterizeShape(gl_effect_layer *TestL, gl_effect_layer *TestM, void *StrokeDa glUniform3f(Uniform, Width, Height, 0); Uniform = glGetUniformLocation(DefaultShaderProgram, "LayerDimensions"); glUniform2f(Uniform, L_Width, L_Height); + Uniform = glGetUniformLocation(DefaultShaderProgram, "ScreenDimensions"); + glUniform2f(Uniform, ViewportSize.x, ViewportSize.y); Uniform = glGetUniformLocation(DefaultShaderProgram, "Pos"); glUniform2f(Uniform, T.x, T.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "CompOffset"); + glUniform2f(Uniform, UIPos.x, UIPos.y); + Uniform = glGetUniformLocation(DefaultShaderProgram, "CompZoom"); + glUniform2f(Uniform, UIZoom.x, UIZoom.y); Uniform = glGetUniformLocation(DefaultShaderProgram, "Anchor"); glUniform2f(Uniform, T.ax, T.ay); real32 Rad = (T.rotation * (PI / 180)); @@ -297,6 +437,7 @@ GL_RasterizeShape(gl_effect_layer *TestL, gl_effect_layer *TestM, void *StrokeDa glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, EffectBitmapAddress); glBindFramebuffer(GL_FRAMEBUFFER, 0); +#endif } void |