Added rectangle gradients, triangles, updated sf2dlib

Gradients are done with additional parameters to gfx.rectangle, so old code that gave the function too many parameters and expected them to be ignored may break.
ctruLua · Jun 27, 2016 · b47971b · b47971b
1 parent 4a2c1a7
commit b47971b
Show file tree

Hide file tree

Showing 6 changed files with 279 additions and 112 deletions.
diff --git a/libs/sf2dlib/libsf2d/.gitignore b/libs/sf2dlib/libsf2d/.gitignore
@@ -0,0 +1 @@
+/Default/
diff --git a/libs/sf2dlib/libsf2d/include/sf2d.h b/libs/sf2dlib/libsf2d/include/sf2d.h
@@ -67,6 +67,14 @@ typedef enum {
 	TEXFMT_ETC1A4 = 13
 } sf2d_texfmt;
 
+/**
+ * @brief Represents a direction for drawing a gradient
+ */
+
+typedef enum {
+    SF2D_TOP_TO_BOTTOM,
+    SF2D_LEFT_TO_RIGHT
+} sf2d_gradient_dir;
 
 /**
  * @brief Data allocated on the RAM or VRAM
@@ -264,6 +272,18 @@ void sf2d_set_clear_color(u32 color);
  */
 void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color);
 
+/**
+ * @brief Draws a triangle
+ * @param x1 x coordinate of a vertex of the triangle
+ * @param y1 y coordinate of a vertex of the triangle
+ * @param x2 x coordinate of a vertex of the triangle
+ * @param y2 y coordinate of a vertex of the triangle
+ * @param x3 x coordinate of a vertex of the triangle
+ * @param y3 y coordinate of a vertex of the triangle
+ * @param color the color to draw the triangle
+ */
+void sf2d_draw_triangle(float x1, float y1, float x2, float y2, float x3, float y3, u32 color);
+
 /**
  * @brief Draws a rotated rectangle
  * @param x x coordinate of the top left corner of the rectangle
@@ -275,6 +295,31 @@ void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color);
  */
 void sf2d_draw_rectangle_rotate(int x, int y, int w, int h, u32 color, float rad);
 
+/**
+ * @brief Draws a rectangle
+ * @param x x coordinate of the top left corner of the rectangle
+ * @param y y coordinate of the top left corner of the rectangle
+ * @param w rectangle width
+ * @param h rectangle height
+ * @param color1 the color at the start of the gradient
+ * @param color2 the color at the end of the gradient
+ * @param left_to_right determines which direction the gradient is in
+ */
+void sf2d_draw_rectangle_gradient(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction);
+
+/**
+ * @brief Draws a rotated rectangle
+ * @param x x coordinate of the top left corner of the rectangle
+ * @param y y coordinate of the top left corner of the rectangle
+ * @param w rectangle width
+ * @param h rectangle height
+ * @param color1 the color at the start of the gradient
+ * @param color2 the color at the end of the gradient
+ * @param left_to_right determines which direction the gradient is in
+ * @param rad rotation (in radians) to draw the rectangle
+ */
+void sf2d_draw_rectangle_gradient_rotate(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction, float rad);
+
 /**
  * @brief Draws a filled circle
  * @param x x coordinate of the center of the circle

diff --git a/libs/sf2dlib/libsf2d/include/sf2d_private.h b/libs/sf2dlib/libsf2d/include/sf2d_private.h
@@ -7,6 +7,8 @@
 
 void GPU_SetDummyTexEnv(u8 num);
 
+void sf2d_draw_rectangle_internal(const sf2d_vertex_pos_col *vertices);
+
 // Vector operations
 
 void vector_mult_matrix4x4(const float *msrc, const sf2d_vector_3f *vsrc, sf2d_vector_3f *vdst);

diff --git a/libs/sf2dlib/libsf2d/source/sf2d_draw.c b/libs/sf2dlib/libsf2d/source/sf2d_draw.c
@@ -6,6 +6,30 @@
 #define M_PI (3.14159265358979323846)
 #endif
 
+void sf2d_setup_env_internal(const sf2d_vertex_pos_col* vertices) {
+	GPU_SetTexEnv(
+		0,
+		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
+		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
+		GPU_TEVOPERANDS(0, 0, 0),
+		GPU_TEVOPERANDS(0, 0, 0),
+		GPU_REPLACE, GPU_REPLACE,
+		0xFFFFFFFF
+	);
+
+	GPU_SetAttributeBuffers(
+		2, // number of attributes
+		(u32*)osConvertVirtToPhys(vertices),
+		GPU_ATTRIBFMT(0, 3, GPU_FLOAT) | GPU_ATTRIBFMT(1, 4, GPU_UNSIGNED_BYTE),
+		0xFFFC, //0b1100
+		0x10,
+		1, //number of buffers
+		(u32[]){0x0}, // buffer offsets (placeholders)
+		(u64[]){0x10}, // attribute permutations for each buffer
+		(u8[]){2} // number of attributes for each buffer
+	);
+}
+
 void sf2d_draw_line(float x0, float y0, float x1, float y1, float width, u32 color)
 {
 	sf2d_vertex_pos_col *vertices = sf2d_pool_memalign(4 * sizeof(sf2d_vertex_pos_col), 8);
@@ -38,31 +62,25 @@ void sf2d_draw_line(float x0, float y0, float x1, float y1, float width, u32 col
 	vertices[2].color = vertices[0].color;
 	vertices[3].color = vertices[0].color;
 
-	GPU_SetTexEnv(
-		0,
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_REPLACE, GPU_REPLACE,
-		0xFFFFFFFF
-	);
+	sf2d_setup_env_internal(vertices);
 
-	GPU_SetAttributeBuffers(
-		2, // number of attributes
-		(u32*)osConvertVirtToPhys(vertices),
-		GPU_ATTRIBFMT(0, 3, GPU_FLOAT) | GPU_ATTRIBFMT(1, 4, GPU_UNSIGNED_BYTE),
-		0xFFFC, //0b1100
-		0x10,
-		1, //number of buffers
-		(u32[]){0x0}, // buffer offsets (placeholders)
-		(u64[]){0x10}, // attribute permutations for each buffer
-		(u8[]){2} // number of attributes for each buffer
-	);
+	GPU_DrawArray(GPU_TRIANGLE_STRIP, 0, 4);
+}
+
+void sf2d_draw_rectangle_internal(const sf2d_vertex_pos_col *vertices)
+{
+    sf2d_setup_env_internal(vertices);
 
 	GPU_DrawArray(GPU_TRIANGLE_STRIP, 0, 4);
 }
 
+void sf2d_draw_triangle_internal(const sf2d_vertex_pos_col *vertices)
+{
+    sf2d_setup_env_internal(vertices);
+
+	GPU_DrawArray(GPU_TRIANGLES, 0, 3);
+}
+
 void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color)
 {
 	sf2d_vertex_pos_col *vertices = sf2d_pool_memalign(4 * sizeof(sf2d_vertex_pos_col), 8);
@@ -78,29 +96,23 @@ void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color)
 	vertices[2].color = vertices[0].color;
 	vertices[3].color = vertices[0].color;
 
-	GPU_SetTexEnv(
-		0,
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_REPLACE, GPU_REPLACE,
-		0xFFFFFFFF
-	);
+	sf2d_draw_rectangle_internal(vertices);
+}
 
-	GPU_SetAttributeBuffers(
-		2, // number of attributes
-		(u32*)osConvertVirtToPhys(vertices),
-		GPU_ATTRIBFMT(0, 3, GPU_FLOAT) | GPU_ATTRIBFMT(1, 4, GPU_UNSIGNED_BYTE),
-		0xFFFC, //0b1100
-		0x10,
-		1, //number of buffers
-		(u32[]){0x0}, // buffer offsets (placeholders)
-		(u64[]){0x10}, // attribute permutations for each buffer
-		(u8[]){2} // number of attributes for each buffer
-	);
+void sf2d_draw_triangle(float x1, float y1, float x2, float y2, float x3, float y3, u32 color)
+{
+	sf2d_vertex_pos_col *vertices = sf2d_pool_memalign(3 * sizeof(sf2d_vertex_pos_col), 8);
+	if (!vertices) return;
 
-	GPU_DrawArray(GPU_TRIANGLE_STRIP, 0, 4);
+	vertices[0].position = (sf2d_vector_3f){(float)x1,   (float)y1,   SF2D_DEFAULT_DEPTH};
+	vertices[1].position = (sf2d_vector_3f){(float)x2, (float)y2,   SF2D_DEFAULT_DEPTH};
+	vertices[2].position = (sf2d_vector_3f){(float)x3,   (float)y3, SF2D_DEFAULT_DEPTH};
+
+	vertices[0].color = color;
+	vertices[1].color = vertices[0].color;
+	vertices[2].color = vertices[0].color;
+
+	sf2d_draw_triangle_internal(vertices);
 }
 
 void sf2d_draw_rectangle_rotate(int x, int y, int w, int h, u32 color, float rad)
@@ -131,29 +143,56 @@ void sf2d_draw_rectangle_rotate(int x, int y, int w, int h, u32 color, float rad
 		vertices[i].position = (sf2d_vector_3f){rot[i].x + x + w2, rot[i].y + y + h2, rot[i].z};
 	}
 
-	GPU_SetTexEnv(
-		0,
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_REPLACE, GPU_REPLACE,
-		0xFFFFFFFF
-	);
+	sf2d_draw_rectangle_internal(vertices);
+}
 
-	GPU_SetAttributeBuffers(
-		2, // number of attributes
-		(u32*)osConvertVirtToPhys(vertices),
-		GPU_ATTRIBFMT(0, 3, GPU_FLOAT) | GPU_ATTRIBFMT(1, 4, GPU_UNSIGNED_BYTE),
-		0xFFFC, //0b1100
-		0x10,
-		1, //number of buffers
-		(u32[]){0x0}, // buffer offsets (placeholders)
-		(u64[]){0x10}, // attribute permutations for each buffer
-		(u8[]){2} // number of attributes for each buffer
-	);
+void sf2d_draw_rectangle_gradient(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction)
+{
+	sf2d_vertex_pos_col *vertices = sf2d_pool_memalign(4 * sizeof(sf2d_vertex_pos_col), 8);
+	if (!vertices) return;
 
-	GPU_DrawArray(GPU_TRIANGLE_STRIP, 0, 4);
+	vertices[0].position = (sf2d_vector_3f){(float)x,   (float)y,   SF2D_DEFAULT_DEPTH};
+	vertices[1].position = (sf2d_vector_3f){(float)x+w, (float)y,   SF2D_DEFAULT_DEPTH};
+	vertices[2].position = (sf2d_vector_3f){(float)x,   (float)y+h, SF2D_DEFAULT_DEPTH};
+	vertices[3].position = (sf2d_vector_3f){(float)x+w, (float)y+h, SF2D_DEFAULT_DEPTH};
+
+	vertices[0].color = color1;
+	vertices[1].color = (direction == SF2D_LEFT_TO_RIGHT) ? color2 : color1;
+	vertices[2].color = (direction == SF2D_LEFT_TO_RIGHT) ? color1 : color2;
+	vertices[3].color = color2;
+
+	sf2d_draw_rectangle_internal(vertices);
+}
+
+void sf2d_draw_rectangle_gradient_rotate(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction, float rad)
+{
+	sf2d_vertex_pos_col *vertices = sf2d_pool_memalign(4 * sizeof(sf2d_vertex_pos_col), 8);
+	if (!vertices) return;
+
+	int w2 = w/2.0f;
+	int h2 = h/2.0f;
+
+	vertices[0].position = (sf2d_vector_3f){(float)-w2, (float)-h2, SF2D_DEFAULT_DEPTH};
+	vertices[1].position = (sf2d_vector_3f){(float) w2, (float)-h2, SF2D_DEFAULT_DEPTH};
+	vertices[2].position = (sf2d_vector_3f){(float)-w2, (float) h2, SF2D_DEFAULT_DEPTH};
+	vertices[3].position = (sf2d_vector_3f){(float) w2, (float) h2, SF2D_DEFAULT_DEPTH};
+
+	vertices[0].color = color1;
+	vertices[1].color = (direction == SF2D_LEFT_TO_RIGHT) ? color2 : color1;
+	vertices[2].color = (direction == SF2D_LEFT_TO_RIGHT) ? color1 : color2;
+	vertices[3].color = color2;
+
+	float m[4*4];
+	matrix_set_z_rotation(m, rad);
+	sf2d_vector_3f rot[4];
+
+	int i;
+	for (i = 0; i < 4; i++) {
+		vector_mult_matrix4x4(m, &vertices[i].position, &rot[i]);
+		vertices[i].position = (sf2d_vector_3f){rot[i].x + x + w2, rot[i].y + y + h2, rot[i].z};
+	}
+
+	sf2d_draw_rectangle_internal(vertices);
 }
 
 void sf2d_draw_fill_circle(int x, int y, int radius, u32 color)
@@ -186,27 +225,7 @@ void sf2d_draw_fill_circle(int x, int y, int radius, u32 color)
 	vertices[num_segments + 1].position = vertices[1].position;
 	vertices[num_segments + 1].color = vertices[1].color;
 
-	GPU_SetTexEnv(
-		0,
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVSOURCES(GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_TEVOPERANDS(0, 0, 0),
-		GPU_REPLACE, GPU_REPLACE,
-		0xFFFFFFFF
-	);
-
-	GPU_SetAttributeBuffers(
-		2, // number of attributes
-		(u32*)osConvertVirtToPhys(vertices),
-		GPU_ATTRIBFMT(0, 3, GPU_FLOAT) | GPU_ATTRIBFMT(1, 4, GPU_UNSIGNED_BYTE),
-		0xFFFC, //0b1100
-		0x10,
-		1, //number of buffers
-		(u32[]){0x0}, // buffer offsets (placeholders)
-		(u64[]){0x10}, // attribute permutations for each buffer
-		(u8[]){2} // number of attributes for each buffer
-	);
+	sf2d_setup_env_internal(vertices);
 
 	GPU_DrawArray(GPU_TRIANGLE_FAN, 0, num_segments + 2);
 }
diff --git a/libs/sf2dlib/libsf2d/source/sf2d_texture.c b/libs/sf2dlib/libsf2d/source/sf2d_texture.c
@@ -8,7 +8,7 @@
 #define M_PI (3.14159265358979323846)
 #endif
 
-#define TEX_MIN_SIZE 8
+#define TEX_MIN_SIZE 32
 
 static unsigned int nibbles_per_pixel(sf2d_texfmt format)
 {
@@ -146,21 +146,40 @@ void sf2d_clear_target(sf2d_rendertarget *target, u32 color) {
 	sf2d_texture_tile32(&(target->texture));
 }
 
+void sf2d_texture_tile32_hardware(sf2d_texture *texture, const void *data, int w, int h)
+{
+	if (texture->tiled) return;
+    const u32 flags = (GX_TRANSFER_FLIP_VERT(1) | GX_TRANSFER_OUT_TILED(1) | GX_TRANSFER_RAW_COPY(0) |
+        GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGBA8) | GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGBA8) |
+        GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO));
+
+	GSPGPU_FlushDataCache(data, (w*h)<<2);
+    GX_DisplayTransfer(
+        (u32*)data,
+        GX_BUFFER_DIM(w, h),
+        (u32*)texture->data,
+        GX_BUFFER_DIM(texture->pow2_w, texture->pow2_h),
+        flags
+    );
+    gspWaitForPPF();
+    GSPGPU_InvalidateDataCache(texture->data, texture->data_size);
+	texture->tiled = 1;
+}
+
 void sf2d_fill_texture_from_RGBA8(sf2d_texture *dst, const void *rgba8, int source_w, int source_h)
 {
 	// TODO: add support for non-RGBA8 textures
 
-	u8 *tmp = linearAlloc(dst->pow2_w * dst->pow2_h * 4);
+	u8 *tmp = linearAlloc((dst->pow2_w * dst->pow2_h)<<2);
 	int i, j;
 	for (i = 0; i < source_h; i++) {
 		for (j = 0; j < source_w; j++) {
-			((u32 *)tmp)[i*dst->pow2_w + j] = ((u32 *)rgba8)[i*source_w + j];
+			((u32 *)tmp)[i*dst->pow2_w + j] = __builtin_bswap32(((u32 *)rgba8)[i*source_w + j]);
 		}
 	}
-	memcpy(dst->data, tmp, dst->pow2_w*dst->pow2_h*4);
+	sf2d_texture_tile32_hardware(dst, tmp, dst->pow2_w, dst->pow2_h);
 	linearFree(tmp);
 
-	sf2d_texture_tile32(dst);
 }
 
 sf2d_texture *sf2d_create_texture_mem_RGBA8(const void *src_buffer, int src_w, int src_h, sf2d_texfmt pixel_format, sf2d_place place)