diff options
Diffstat (limited to 'effects.cpp')
| -rw-r--r-- | effects.cpp | 130 |
1 files changed, 124 insertions, 6 deletions
diff --git a/effects.cpp b/effects.cpp index 6d27df1..d006941 100644 --- a/effects.cpp +++ b/effects.cpp @@ -187,6 +187,78 @@ DrawGradient(source *Source, layer_bitmap_info *BitmapInfo, memory *Memory, prop static void Levels(source *Source, layer_bitmap_info *BitmapInfo, memory *Memory, property_channel Property[]) { + real32 All_Start = Property[0].CurrentValue.f; + real32 All_Mid = Property[1].CurrentValue.f; + real32 All_End = Property[2].CurrentValue.f; + v4 Start = Property[3].CurrentValue.col; + v4 Mid = Property[4].CurrentValue.col; + v4 End = Property[5].CurrentValue.col; + if (!BitmapInfo->HistogramVals) { + uint64 Size = Bitmap_CalcUnpackedBytes(Source->Info.Width, Source->Info.Height, Source->Info.BytesPerPixel); + BitmapInfo->HistogramVals = AllocateMemory(Memory, (sizeof(uint32) * 5 * 256), P_MiscCache); + Bitmap_CalcHistogram(BitmapInfo->HistogramVals, BitmapInfo->BitmapBuffer, Source->Info.BytesPerPixel, Size); + } + + Assert(&BitmapInfo->Test); + gl_effect_layer Test = BitmapInfo->Test; + glBindRenderbuffer(GL_RENDERBUFFER, Test.RBO); + glUseProgram(TGL.ShaderProgram); + + int vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "Start"); + glUniform1f(vertexColorLocation, All_Start); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "Mid"); + glUniform1f(vertexColorLocation, All_Mid); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "End"); + glUniform1f(vertexColorLocation, All_End); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "StartCol"); + glUniform4f(vertexColorLocation, Start.r, Start.g, Start.b, Start.a); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "MidCol"); + glUniform4f(vertexColorLocation, Mid.r, Mid.g, Mid.b, Mid.a); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "EndCol"); + glUniform4f(vertexColorLocation, End.r, End.g, End.b, End.a); + + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0); + + glReadBuffer(GL_COLOR_ATTACHMENT0); + uint16 Width = Source->Info.Width; + uint16 Height = Source->Info.Height; + uint8 *Data = (uint8 *)BitmapInfo->BitmapBuffer; + glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, &Data[0]); + glBindFramebuffer(GL_FRAMEBUFFER, 0); +} + +static void +GaussianBlur(source *Source, layer_bitmap_info *BitmapInfo, memory *Memory, property_channel Property[]) +{ + real32 Radius = Property[0].CurrentValue.f; + + gl_effect_layer *Test = &BitmapInfo->Test; + glBindRenderbuffer(GL_RENDERBUFFER, Test->RBO); + glUseProgram(TGL.ShaderProgram); + + int vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "Radius"); + glUniform1f(vertexColorLocation, Radius + 1.60f); + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "Direction"); + glUniform2f(vertexColorLocation, 1.0f, 0.0f); + + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0); + + glReadBuffer(GL_COLOR_ATTACHMENT0); + uint16 Width = Source->Info.Width; + uint16 Height = Source->Info.Height; + uint8 *Data = (uint8 *)BitmapInfo->BitmapBuffer; + glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, &Data[0]); + + TestGL_InitTexture(&BitmapInfo->Test, Data, Width, Height); + glBindRenderbuffer(GL_RENDERBUFFER, Test->RBO); + glUseProgram(TGL.ShaderProgram); + + vertexColorLocation = glGetUniformLocation(TGL.ShaderProgram, "Direction"); + glUniform2f(vertexColorLocation, 0.0f, 1.0f); + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0); + glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, &Data[0]); + + glBindFramebuffer(GL_FRAMEBUFFER, 0); } #if WINDOWS @@ -219,6 +291,12 @@ static effect_header EffectList[] { {"End Col", {.col = V4(1.0f)}, type_color}, } }, + { + "Gaussian Blur", + &GaussianBlur, 1, standard, { + {"Radius", {0.0f}, type_real, 0.0f, 500.0f}, + } + } }; #endif #if 0 @@ -236,12 +314,6 @@ static effect_header EffectList[] { } }, { - "Gaussian Blur", - &GaussianBlur, standard, { - {"Radius", {2.0f}, real}, - } - }, - { "Canny edges", &Canny, standard, { {"Blur Radius", {1.0f}, real}, @@ -778,3 +850,49 @@ GaussianBlur(pixel_buffer *Buffer, memory *Memory, property_channel Property[]) Gaussian(Buffer, Buffer->Scratch, Radius); } #endif + +// AVX2 effect example code +/* + __m256 Fraction255 = _mm256_set1_ps(1/255.0f); + __m256 Real255 = _mm256_set1_ps(255); + __m256 One = _mm256_set1_ps(1); + + __m256i FF = _mm256_set1_epi32(0xFF); + __m256 ZeroReal = _mm256_set1_ps(0); + __m256i Int255 = _mm256_set1_epi8((uint8)255); + + for (int16 Y = 0; Y < Source->Info.Height; Y += 2) + { + for (int16 X = 0; X < Source->Info.Width; X += 4) + { + uint32 XLookup = (X >> 2)*16 + (X % 4); + uint32 YLookup = (Y >> 2)*(Source->Info.Width*4) + (Y % 4)*4; + uint32 PixelToSeek = XLookup + YLookup; + uint8 *Pixel = (uint8 *)BitmapInfo->BitmapBuffer + PixelToSeek*Source->Info.BytesPerPixel; + __m256i DestPixel = _mm256_loadu_si256((const __m256i *)Pixel); + + __m256 R_Dest = _mm256_mul_ps(_mm256_cvtepi32_ps(_mm256_and_si256( DestPixel, FF)), Fraction255); + __m256 G_Dest = _mm256_mul_ps(_mm256_cvtepi32_ps(_mm256_and_si256(_mm256_srli_epi32(DestPixel, 8), FF)), Fraction255); + __m256 B_Dest = _mm256_mul_ps(_mm256_cvtepi32_ps(_mm256_and_si256(_mm256_srli_epi32(DestPixel, 16), FF)), Fraction255); + __m256i A_Out = _mm256_and_si256(_mm256_srli_epi32(DestPixel, 24), FF); + + __m256 R_Blend = R_Dest; + __m256 G_Blend = G_Dest; + __m256 B_Blend = B_Dest; + + R_Blend = _mm256_max_ps(_mm256_min_ps(One, R_Blend), ZeroReal); + G_Blend = _mm256_max_ps(_mm256_min_ps(One, G_Blend), ZeroReal); + B_Blend = _mm256_max_ps(_mm256_min_ps(One, B_Blend), ZeroReal); + + __m256i R_Out = _mm256_cvttps_epi32(_mm256_mul_ps(R_Blend, Real255)); + __m256i G_Out = _mm256_cvttps_epi32(_mm256_mul_ps(G_Blend, Real255)); + __m256i B_Out = _mm256_cvttps_epi32(_mm256_mul_ps(B_Blend, Real255)); + + __m256i OutputPixel = _mm256_or_si256( + _mm256_or_si256(R_Out, _mm256_slli_epi32(G_Out, 8)), + _mm256_or_si256(_mm256_slli_epi32(B_Out, 16), _mm256_slli_epi32(A_Out, 24))); + + _mm256_storeu_si256((__m256i *)Pixel, OutputPixel); + } + } +*/ |