UDI - Adding an attempt at a BochsGA UDI GFX driver

[tpg/acess2.git] / UDI / drivers / gfx_bochs / bochsga_engines.h

diff --git a/UDI/drivers/gfx_bochs/bochsga_engines.h b/UDI/drivers/gfx_bochs/bochsga_engines.h
new file mode 100644 (file)
index 0000000..48323d2
--- /dev/null
+++ b/UDI/drivers/gfx_bochs/bochsga_engines.h
@@ -0,0 +1,34 @@
+/*
+ * 
+ */
+
+#define BOCHSGA_ENGINE_PROP_BUFFER     (UDI_GFX_PROP_CUSTOM+0)
+
+// === CONSTANTS ===
+const gfxhelpers_op_t  bochsga_engine_ops_8bpp[] = {
+};
+const gfxhelpers_op_t  bochsga_engine_ops_32bpp[] = {
+       {UDI_GFX_OPERATOR_RGB,    1,  2,  3},   // #0 Output RGB from ops #1,#2,#3
+       {UDI_GFX_OPERATOR_SEG,    4, 16,  8},   // #1 Extract 8 bits from bit 16 of #4
+       {UDI_GFX_OPERATOR_SEG,    4,  8,  8},   // #2 8 bits from ofs 8 of #4
+       {UDI_GFX_OPERATOR_SEG,    4,  0,  8},   // #3 8 bits from ofs 0 of #4
+       {UDI_GFX_OPERATOR_BUFFER, 5,  6, 32},   // #4 32 bits from buffer #5 ofs #6
+       {UDI_GFX_OPERATOR_ATTR,   0, BOCHSGA_ENGINE_PROP_BUFFER, 0},    // #5 Buffer index
+       {UDI_GFX_OPERATOR_MAD,    7,  8,  9},   // #6 Get offset (#8 * #7 + #9)
+       {UDI_GFX_OPERATOR_ATTR,   0, UDI_GFX_PROP_SOURCE_WIDTH, 0},     // #7 Read buffer width
+       {UDI_GFX_OPERATOR_Y,      0,  0,  0},   // #8 Y coordinate
+       {UDI_GFX_OPERATOR_X,      0,  0,  0}    // #9 X coordinate
+};
+
+typedef struct {
+       udi_ubit8_t     bitdepth;
+       gfxhelpers_op_map_t     op_map;
+} engine_static_t;
+
+const engine_static_t  bochsga_engine_defs[] = {
+       {.bitdepth = 8, .op_map = {ARRAY_COUNT(bochsga_engine_ops_8bpp), bochsga_engine_ops_8bpp}},
+       {.bitdepth = 16},
+       {.bitdepth = 24},
+       {.bitdepth = 32, .op_map = {ARRAY_COUNT(bochsga_engine_ops_8bpp), bochsga_engine_ops_32bpp}},
+};
+#define N_ENGINES      ARRAY_COUNT(bochsga_engine_defs)